Best Registered Memory in 2026

Daisy
Last Updated: Jul 17, 2026

At a Glance: Our Top Picks for Registered Memory

TEAMGROUP Elite DDR4 32GB Kit (2 x 16GB) 3200MHz PC4-25600 CL22 Unbuffered Non-ECC 1.2V SODIMM 260-Pin Laptop Notebook PC Computer Memory Module Ram Upgrade - TED432G3200C22DC-S01
#TOP1
Teamgroup Elite Ddr4 32Gb Kit (2 X 16Gb)
9.9
PM SCORE
OWC 32GB (4 x 8GB) PC21300 DDR4 2666MHz SO-DIMMs Memory Compatible with Mac Mini 2018, iMac 2019 and up, and Compatible PCs (OWC2666DDR4S32S)
#TOP2
Owc 32Gb (4 X 8Gb) Pc21300 Ddr4 2666Mhz
9.8
PM SCORE
Rasalas DDR3L 16GB Kit (2x8GB) PC3L-12800S DDR3L 1600MHz 8GB 2Rx8 PC3-12800 1.35V 204-Pin CL11 Non-ECC Unbuffered Laptop Memory Notebook RAM Module for Mac iMac pro Intel and AMD System
#TOP3
Rasalas Ddr3L 16Gb Kit (2X8Gb) Pc3L-12800S Ddr3L 1600Mhz
9.8
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Registered Memory of 2026

Market Overview
Registered Memory Reviewed
  • Reviews Analyzed: 16730 Items
  • PM Avg. Rating: 4.6 / 10
92 Products Evaluated
  • Highest Price: $9,790.00
  • Lowest Price: $15.94
  • Avg. Price: $298.69

Teamgroup Elite Ddr4 32Gb Kit (2 X 16Gb) 3200Mhz Pc4-25600 Cl22 Unbuffered Non-Ecc 1.2V Sodimm 260-Pin Laptop Notebook Pc Computer Memory Module Ram Upgrade - Ted432G3200C22Dc-S01

TEAMGROUP
TED432G3200C22DC-S01
2.66 X 0.14 X 1.18 Inches
0.04 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
TEAMGROUP Inc. 9.92

Features

Adherence to JEDEC and compliance to RoHS with respect to environmental protection regulation, production and manufacturing

All new generation product of DRAM module. Strict test and verification procedures are performed for products

Lifetime warranty and Free technical support

Installation video is attached in product image

Owc 32Gb (4 X 8Gb) Pc21300 Ddr4 2666Mhz So-Dimms Memory Compatible With Mac Mini 2018, Imac 2019 And Up, And Compatible Pcs (Owc2666Ddr4S32S)

OWC
OWC2666DDR4S32S
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
OWC (Other World Computing) 9.81

Features

4 x 8 GB (32 GB) 2666MHz DDR4 PC4-21300 SODIMM 260-Pin, 1.2 Volts, Non-registered, Non-ECC, Fully compliant with JEDEC specifications, ROHS compliant, warranty safe upgrade; Backed by OWC Memory Lifetime Limited Warranty including the OWC Lifetime Advanced Replacement Program

Memory Upgrade Compatible with 2020 iMac: iMac w/Retina 5K display (27 inch mid 2020) Model ID: iMac20,1 and iMac20,2 (3.1GHz i5, 3.3GHz i5, 3.8GHz i7, 3.6GHz i9)

Memory Upgrade Compatible with 2019 iMac: iMac w/Retina 5K display (27-inch Early 2019) Model ID: iMac19,1 (3.0GHz i5, 3.1GHz i5, 3.7GHz i5, 3.6GHz i9) Models: MRQY2LL/A, MRR02LL/A, MRR12LL/A

PC compatible: works with compatible gaming laptops and PC desktops: Dell, HP , Toshiba, ASUS, Acer, Supermicro, Fujitsu, Gigabyte, Intel, Lenovo, LG, Samsung, Sony, Supermicro

#TOP3

Rasalas Ddr3L 16Gb Kit (2X8Gb) Pc3L-12800S Ddr3L 1600Mhz 8Gb 2Rx8 Pc3-12800 1.35V 204-Pin Cl11 Non-Ecc Unbuffered Laptop Memory Notebook Ram Module For Mac Imac Pro Intel And Amd System

RASALAS
RASALAS
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Rasalas_RAM 8.16

Features

💻 Superior Compatibility: 8GBx2 DDR3 1600MHz PC3L-12800 SODIMM CL11 2Rx8 1.35V/1.5V Non-ECC unbuffered 204-Pin RAM memory designed for select MacBook Pro, iMac, Mac mini models, and laptop, notebook, all-in-one computers based on AMD, Intel, Mac systems.

💻 Quality Components: Rasalas memory use high quality granules, under rigorous testing and screening, with strong compatibility and high stability with motherboards of various brands. It can provide your computer with superior memory quality and the stability required for long-term system operation.

💻 Plug and Play: Memory upgrade is one of the fastest, easiest, and most affordable ways to immediately improve the performance of your computer. If your PC laptop, desktop, or Mac system is running slowly, installing more memory takes as little as five minutes and delivers immediate and lasting improvements.

💻 Compatible with: Mac mini (Late 2012)(October, 2012) Model: Mac mini 6,1 & Mac mini 6,2 (2.3GHz, 2.5GHz, 2.6GHz); Mac mini (Late 2012 Server)(October, 2012) Model: Mac mini 6,2 (2.3GHz, 2.6GHz); Mac mini (Mid 2011)(July, 2011) Model: Mac mini 5,1 & Mac mini 5,2 (2.3GHz, 2.5GHz, 2.7GHz); Mac mini (Mid 2011 Server)(July, 2011) Model: Mac mini 5,3 (2.0GHz); iMac (21.5-inch Late 2012)(November, 2012) Model: iMac 13,1 (2.7GHz i5, 2.9GHz i5, 3.1GHz i7)

💻 Compatible with: iMac (21.5-inch Late 2013)(September, 2013) Model: iMac 14,1; iMac 14,3 (2.7GHz i5, 2.9GHz i5, 3.1GHz i7); iMac (21.5-inch Early 2013)(March 2013) Model: iMac 13,3 (3.3GHz i7); iMac (21.5-inch Mid 2011)(May, 2011) Model: iMac 12,1 (2.5GHz i5, 2.7GHz i5, 2.8GHz i7) MacBook Pro (15-inch Early 2011)(February, 2011) Model: MacBook Pro 8,2 (2.0GHz, 2.2GHz, 2.3GHz); MacBook Pro (13-inch 2011)(October, 2011) Model: MacBook Pro 8,1 (2.4GHz, 2.8GHz)

#TOP4

Timetec 32Gb Kit(2X16Gb) Ddr4 2400Mhz Pc4-19200 Non-Ecc Unbuffered 1.2V Cl17 2Rx8 Dual Rank 260 Pin Sodimm Laptop Notebook Pc Computer Memory Ram Module Upgrade (32Gb Kit(2X16Gb))

TIMETEC
7
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Timetec International Inc 9.95

Features

DDR4 2400MHz PC4-19200 260 Pin Unbuffered Non-ECC 1.2V CL17 Dual Rank 2Rx8 based 1024x8

Power Supply: VDD=1.2V (1.14V to 1.26V) VDDQ = 1.2V (1.14V to 1.26V)

Module Size:32GB Package: 2x16GB For Laptop, Not For Desktop

For Selected DDR4 Laptop / Notebook PC, Mini PC, All in one Device

Guaranteed Lifetime warranty from Purchase Date and Free technical support based on United States

G.skill Ripjaws Series 8Gb 204-Pin Ddr3 So-Dimm Ddr3 1600 (Pc3 12800) Laptop Memory (F3-1600C9S-8Grsl)

G.SKILL
FBA_F3-1600C9S-8GRSL
23.62 X 23.62 X 33.46 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
RACERSPEED INC. 9.94

Features

8GB single channel, DDR3 1600 (PC3 12800)

Cas Latency 9; 1.35V

204-Pin DDR3 SO-DIMM; ECC: NO.

Timing: 9-9-9-28; Buffered/Registered.

Compatible with 3rd and 4th gen Intel Core Processors; Best-in-class quality.

#TOP6
Best For Owc

Owc 128.0Gb (8X 16Gb) Pc10600 Ddr3 Ecc-Registered 1333Mhz 240 Pin Memory Upgrade Compatible With Select 2009-2012 Mac Pro Models (Owc1333D3X9M128)

OWC
OWC1333D3X9M128
0.79 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
OWC (Other World Computing) 9.81

Features

OWC 128.0gb (8x 16gb) pc10600 ddr3 ram 1333 mhz ecc-r 240 pin memory upgrade compatible with select 2009-2012 mac pro models model id: macpro4,1 macpro5,1

Compatible with mac pro 2009-2012 models model id: macpro4,1 macpro5,1 2.3ghz & 2.7ghz & 2.9ghz 8-core xeon, 2.4ghz 8-core xeon & 2.7ghz & 2.9ghz 12-core xeon, 2.4ghz & 2.7ghz & 3.1ghz 12-core xeon

Total capacity - 128gb ; kit module - 8 x 16gb modules ; data rate - 1333mt/s ; eccr ; form factor - dimm ; ddr3 ; pc speed - 10600 ; 240-pin ; fully compliant with jedec specifications

To utilize over 32GB in your Mac Pro using 10.6.x or greater, you must boot into 64 bit mode. In 32 bit mode, all memory will show in system profiler but only up to 32GB will be used by the computer.

OWC memory lifetime limited warranty including advanced replacement program. built to meet or exceed the toughest industry specs to provide years of worry-free service.

Patriot Memory Signature Line Ddr4 8Gb (2X 4Gb) 2666Mhz Udimm 8Gb Ddr4 2666Mhz Memory Module - Memory Modules (8Gb, 2X4Gb, Ddr4, 2666Mhz, 288-Pin Dimm)

PATRIOT MEMORY
PSD48G2666K
5.24 X 0.11 X 1.22 Inches
0.10 pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Official Patriot Memory Store 9.94

Features

8GB (2x4GB) 288-Pin unbuffered dual in-line memory module (DIMM) kit

Frequency: 2666MHz (PC4-21300), Timings: 19-19-19-43, Voltage: 1.2V

100% Tested

RoHS Compliant

Limited Lifetime Warranty

Owc 64.0Gb (4 X 16Gb) Pc3-14900 1866Mhz Ddr3 Ecc-R Sdram Memory Upgrade Kit, Ecc Registered Compatible With Mac Pro 2013 (Owc1866D3R9M64)

OWC
OWC1866D3R9M64
6.20 X 1.20 X 3.80 Inches
0.22 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
OWC (Other World Computing) 9.81

Features

64.0GB (4x16GB) ddr3 ecc 16gb ram upgrade kit PC3-14900 1866MHz ECC-R dimm memory modules compatible with Mac Pro Late 2013 (December, 2013) Model ID: MacPro6,1 (2.7GHz 3.0GHz, 3.5GHz, 3.7GHz)

Product Specs - 4 x 16GB modules ram ddr3 ecc r pc3 14900 dimm 1866 mhz 240 pin memory kit. Low noise 8-layer PCB. Fully compliant with JEDEC specifications

Mac pro memory 64gb compatibility - Mac Pro 2013 ram Model ID: MacPro6,1 3.7GHz 4-Core Xeon & 3.5GHz 6-Core Xeon & 3.0GHz 8-Core Xeon & 2.7GHz 12-Core Xeon

Mac Pro (Late 2013) models utilize thermal enabled ECC Registered and ECC non-Registered memory, however ECC Registered and ECC non-Registered mhz memory cannot be combined.

OWC Memory Lifetime Limited Warranty including Advanced Replacement Program. Built to meet or exceed the toughest industry specs to provide years of worry-free service.

Nemix Ram 64Gb 2X32Gb Ddr4-2933 Pc4-23400 2Rx4 Ecc Registered Server Memory By Nemix Ram

NEMIX RAM
MR23400-324K02-G
8.00 X 3.00 X 1.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
nvtek 9.76

Features

NEMIX RAM ECC RDIMM (Registered DIMM) for Servers requiring DDR4 RDIMM. NOT FOR PC Computers!

Upgrade Consists of 2 pcs of 32GB Memory Module Module DDR4 288-pin RDIMM. Rank is 2Rx4.

DDR4 2933Mhz Technology ( PC4-23400 ) operating at standard 1.2V - 100% JEDEC Compliant

Registered DIMM server RAM upgrade ( ECC RDIMM ) manufactured using multi-layer density PCB with gold lead and major chipset by Micron, Samsung, or Hynix.

NEMIX RAM DDR4 Server Memory Upgrades allows you to get more out of your Tower Server / Rack Server / Blade Server / Array. NEMIX RAM server memory exceeds the competition. Our DDR4 memory is up to twice as fast as DDR3 technology, delivering twice the bandwidth and energy efficiency. This is not a PC upgrade - only for server installation. built with the highest quality and backed by Lifetime Replacement Warranty. NEMIX RAM has been Supplying the world with Server RAM upgrades since 1993.

#TOP10

Kingston Valueram 4Gb 1600Mhz Ddr3 Non - Ecc Cl11 Sodimm Notebook Memory Kvr16S11/4

KINGSTON TECHNOLOGY
KVR16S11/4
3.75 X 1.80 X 0.30 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
A-Tech Components 9.91

Features

One 4GB module of 1600MHz DDR3 Memory

204-pin Registered DIMM

From the industry leader in PC Memory

Backed by a lifetime warranty and free technical support

#TOP11
Best For Ecc

Samsung 8Gb Ddr3 Sdram Server Memory Module - 8 Gb - Ddr3 Sdram - 1333 Mhz Ddr3-1333/Pc3-10600R - Ecc - Registered - 240-Pin -

SAMSUNG
M393B1K70CH0-YH9
5.25 X 0.16 X 1.18 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
PMV America 9.73

Features

NOT for regular PC or desktop - For Servers only

A-Tech 16Gb Kit (2X8Gb) Ddr3 1600Mhz Pc3-12800R Ecc Rdimm 2Rx4 1.5V Dual Rank Ecc Registered Dimm 240-Pin Server & Workstation Ram Memory Upgrade Modules (A-Tech Enterprise Series)

A-TECH
AT8G2D3D1600RD4N15V
6.50 X 3.45 X 0.30 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
A-Tech Components 9.91

Features

A-Tech Memory (RAM) upgrade compatible for select Server and Workstation systems *Not compatible for Desktop and Laptop PC/Computers*

16 GB Kit (2 x 8GB Modules); DDR3 DIMM 240-Pin; Speeds up to 1600 MHz, PC3-12800/PC3-12800R

ECC Registered RDIMM; 2Rx4 (Dual Rank x4); JEDEC DDR3 standard 1.5V

Expands your system's available memory resource improving performance, reducing bottlenecks, and increasing workload capacity

Note: This memory is ECC Registered and cannot be mixed with different ECC types such as ECC Unbuffered, ECC Load Reduced, or Non-ECC Unbuffered; (Refer to your system's manual for memory seating and channel guidelines)

All A-Tech memory modules undergo stringent quality control testing to ensure dependable and reliable performance

Backed by A-Tech's Limited Lifetime Warranty and supported by our knowledgeable Tech Team available to help before and after your purchase

#TOP13
Best For Ecc

Crucial 32Gb Kit (16Gbx2) Ddr4-2133 Mt/S (Pc4-2133) Cl15 Dual Ranked X4Based Ecc Registered Server Memory Ct2K16G4Rfd4213

CRUCIAL
CT2C16G4RFD4213
7.01 X 0.81 X 5.00 Inches
0.84 pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Aeon Micro, Inc. 8.09

Features

More speed. More bandwidth. More efficient

Reduced power consumption @ 1.2V

For networking, cloud computing, HPC, Big Data and more and speed is 2133 MT/S

Your system may support multiple memory configurations based on the density, quantity and type of memory modules installed. Please consult the documentation for your specific system & remember Registered & Unbuffered memory cannot be mixed / Load Reduced DIMM's cannot be mixed with standard Registered DIMM's

Crucial Technology 32Gb Ddr4 Pc4-21300 2666Mhz Rdimm, Dual Ranked Registered Ecc Memory (Ct32G4Rfd4266)

CRUCIAL
CT32G4RFD4266
6.10 X 2.10 X 0.03 Inches
0.04 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MemoryMasters 7.65

Features

Capacity: 32 GB

Memory Type: DDR4 SDRAM - DIMM 288-pin

Upgrade Type: Generic

#TOP15
Best For Owc

Owc 128Gb (4 X 32Gb) Pc10600 Ddr3 Ecc-R 1333Mhz Dimms Memory Compatible With Mac Pro Late 2013 Models (Owc1333D3Z3M128)

OWC
OWC1333D3Z3M128
7.00 X 5.00 X 1.30 Inches
0.25 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
OWC (Other World Computing) 9.81

Features

Total Capacity - OWC 128GB ram PC3 10600 DDR3 1333 mhz ECC-R DIMMs memory upgrade kit. Quantity - 4 x 32GB memory PC3 10600 DDR3 1333 mhz ECC-R DIMMs

OWC ddr3 ram 1333 compatible with Mac Pro Late 2013 Model ID: MacPro6,1 3.7GHz 4-Core Xeon & 3.5GHz 6-Core Xeon & 3.0GHz 8-Core Xeon & 2.7GHz 12-Core Xeon

Lab Tested Compatibility every OWC memory module is tested at our in-house lab so you can upgrade with the confidence that your memory is built-to-last

Mac Pro 2013 uses ECC non-Registered for 4GB and 8GB and ECC Registered for 16GB and larger. Any 4GB and 8GB ECC non-Registered cannot be mixed with larger ECC-Registered and will need to be removed.

OWC Memory Lifetime Limited Warranty including Advanced Replacement Program. Built to meet or exceed the toughest industry specs to provide years of worry-free service.

#TOP16
Best For Hp

Cb423A 256Mb Ddr2 144-Pin Dimm Printer Memory For Hp Laserjet M2727Nf Cp2025N Cp2025Dn Cp2025X Jet Pro Cp1525Nw Cp1518Ni

KEYSTRON
CB423A
3.00 X 2.00 X 0.20 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
-mally- 6.28

Features

256MB DDR2 144pin memory upgrade for HP laserjet printers

Part#: CB423A

100% Compatible with Lifetime warranty

Manufactured by Keystron, LLC

Keystron is a registered trademark of Keystron, LLC

#TOP17

Micron 32Gb Pc4-19200 Ddr4-2400Mhz Ecc Registered Cl17 288-Pin Dimm 1.2V Dual Rank Memory Module Mfr P/N Mta36Asf4G72Pz-2G3B1

MICRON
LYSB01FROAO1S-CMPTRACCS
5.50 X 1.70 X 0.60 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MEMORY n MORE 5.25

Features

Nominal and dynamic on-die termination (ODT) for data, strobe, and mask signals

Supports ECC error detection and correction

288-pin, registered dual in-line memory module (RDIMM)

DDR4 functionality and operations supported as defined in the component data sheet

#TOP18
Best For Ecc

Hynix Hma42Gr7Mfr4N-Tf Ddr4-2133 16Gb/2Gx72 Ecc/Reg Cl13 Hynix Chip Server Memory

HYNIX SEMICONDUCTOR
HMA42GR7MFR4N-TF
0.00 X 0.00 X 0.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
A-Tech Components 9.91

Features

RDIMM - Application : Server (ENTREPRISE ONLY) - check your server configuration

SK Hynix 16GB PC4-2133 MT/s ECC REGISTERED DUAL RANK x4 (2Rx4) RDIMM.

Crucial Bundle With 64Gb (2 X 32Gb) Ddr4 Pc4-21300 2666Mhz Rdimm (2 X Ct32G4Rfd4266), Dual Ranked Registered Ecc Memory

CRUCIAL
RAMKIT13A
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MemoryMasters 7.95

Features

Crucial 64GB DDR4 memory bundle including 2 CT32G4RFD4266 RDIMMs.

Compatible with most servers by brands such as Dell, HP, Lenovo, SuperMicro, Synology, IBM, and many more!

Memory Included: 64GB (2 x 32GB) DDR4 PC4-21300 2666MHz Registered Server Memory

CAS Latency: CL19; Pins: 288 Pin

64Gb (2X32Gb) Ddr4-2133Mhz Pc4-17000 Ecc Rdimm 2Rx4 1.2V Registered Server Memory By Nemix Ram

NEMIX RAM
MR17000-324K02-G
8.00 X 3.00 X 1.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
nvtek 9.76

Features

NEMIX RAM ECC RDIMM (Registered DIMM) for Servers requiring DDR4 RDIMM. NOT FOR PC Computers!

Upgrade Consists of 2 pcs of 32GB Memory Module Module DDR4 288-pin RDIMM. Rank is 2Rx4.

DDR4 2133Mhz Technology ( PC4-17000 ) operating at standard 1.2V - 100% JEDEC Compliant

Registered DIMM server RAM upgrade ( ECC RDIMM ) manufactured using multi-layer density PCB with gold lead and major chipset by Micron, Samsung, or Hynix.

NEMIX RAM DDR4 Server Memory Upgrades allows you to get more out of your Tower Server / Rack Server / Blade Server / Array. NEMIX RAM server memory exceeds the competition. Our DDR4 memory is up to twice as fast as DDR3 technology, delivering twice the bandwidth and energy efficiency. This is not a PC upgrade - only for server installation. built with the highest quality and backed by Lifetime Replacement Warranty. NEMIX RAM has been Supplying the world with Server RAM upgrades since 1993.

#TOP21

Kingston Technology 64Gb Ram Kit (4X16Gb) 2133Mhz Ddr4 Ecc Reg Cl15 Dimm Dr X 4 With Ts Server Memory (Kvr21R15D4K4/64)

KINGSTON TECHNOLOGY
KVR21R15D4K4/64
13.00 X 4.50 X 0.10 Inches
0.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Tokyo Store House 6.03

Features

Efficient and Powerful: DDR4 provides increased performance and bandwidth while decreasing the voltage saving up to 40% in power used

64GB Kit (4x16GB) of 2133MHz DDR4 Memory

240-pin Registered DIMM

From the industry leader in PC Memory

Backed by a lifetime warranty and free technical support

32Gb (2X16Gb) Ddr4-2666Mhz Pc4-21300 Ecc Rdimm 2Rx8 1.2V Registered Server Memory By Nemix Ram

NEMIX RAM
MR21300-628K02-G
8.00 X 3.00 X 1.00 Inches
0.38 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
nvtek 9.76

Features

NEMIX RAM ECC RDIMM (Registered DIMM) for Servers requiring DDR4 RDIMM. NOT FOR PC Computers!

Upgrade Consists of 2 pcs of 16GB Memory Module Module DDR4 288-pin RDIMM. Rank is 2Rx8.

DDR4 2666Mhz Technology ( PC4-21300 ) operating at standard 1.2V - 100% JEDEC Compliant

Registered DIMM server RAM upgrade ( ECC RDIMM ) manufactured using multi-layer density PCB with gold lead and major chipset by Micron, Samsung, or Hynix.

NEMIX RAM DDR4 Server Memory Upgrades allows you to get more out of your Tower Server / Rack Server / Blade Server / Array. NEMIX RAM server memory exceeds the competition. Our DDR4 memory is up to twice as fast as DDR3 technology, delivering twice the bandwidth and energy efficiency. This is not a PC upgrade - only for server installation. built with the highest quality and backed by Lifetime Replacement Warranty. NEMIX RAM has been Supplying the world with Server RAM upgrades since 1993.

Samsung Memory Bundle With 64Gb (2 X 32Gb) Ddr4 Pc4-21300 2666Mhz Rdimm (2 X M393A4K40Cb2-Ctd) Registered Server Memory

SAMSUNG
ASIRAM20
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
nvtek 9.76

Features

Samsung Memory Bundle with 64GB (2 x 32GB) DDR4 PC4-21300 2666MHz Registered Server Memory

Part Number Per DIMM: M393A4K40CB2-CTD

CAS Latency: CL 19; Pins: 288-Pin

Not Compatible with Desktops

Hynix Hma84Gr7Mfr4N-Uh 32Gb Ddr4-2400 Ecc Reg Dimm Server Memory

HYNIX
HMA84GR7MFR4N-UH
6.00 X 1.00 X 0.20 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MemoryMasters 7.60

Features

REGISTERED DUAL RANK

GENUINE HYNIX MEMORY FOR SERVER

A-Tech 64Gb (4X16Gb) Ram For Dell Poweredge R320, R420, R420Xr, R520, R620, R720, R720Xd, R820, R920 | Ddr3 1600Mhz Ecc-Rdimm Pc3-12800 2Rx4 1.5V Ecc Registered Dimm Server Memory Upgrade Kit

A-TECH
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
A-Tech Components 9.91

Features

Capacity: 64GB (4x 16GB Modules) | Type: DDR3 DIMM 240-Pin | ECC Type: ECC-RDIMM (Registered DIMM) | Speed: 1600MHz PC3-12800 / (PC3-12800R) | Rank: 2Rx4 (Dual Rank x4) | Voltage: 1.5V

Designed for the Dell PowerEdge Rack Server Models: R320, R420, R420XR, R520, R620, R720, R720XD, R820, R920

Compatible with Intel Pentium 1400 series, Xeon E5-1410/E5-1410 v2 series, Xeon E5-2400/E5-2400 v2 series, Xeon E5-2600/E5-2600 v2 series, E5-4600/E5-4600 v2 series, Xeon E7-2800 v2 series, Xeon E7-4800 v2 series, and Xeon E7-8800 v2 series CPU Processors

This item is ECC Registered memory and is NOT compatible with Desktop or Laptop systems which only support NON-ECC Unbuffered memory | *Please refer to your system's manual for proper memory seating and channel guidelines*

A-Tech provides a Lifetime Warranty for all orders & offers complimentary United States based Tech Support before, during, & after your purchase

Samsung 64Gb Ddr4 Pc4-21300 2666Mhz Lrdimm Quad Ranked Registered Ecc Memory (M386A8K40Bm2-Ctd)

SUPERMICRO
M386A8K40BM2-CTD-1
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
A-Tech Components 9.91

Features

Samsung M386A8K40BM2-CTD 64GB DDR4 PC4-21300 2666MHz LRDIMM

Capacity: 64GB; Quantity: 1 LRDIMM

Type: DDR4 PC4-23100

Speed: 2666MHz; Voltage: 1.2 V

Rank: 4R x 4; Pins: 288

#TOP27

Kingston Ktd-Pe432/64G Ddr4-64 Gb - Dimm 288-Pin - 3200 Mhz / Pc4-25600 - Cl22-1.2 V - Registered - Ecc - For Dell Poweredge R6515, Dell Emc Poweredge R6515, R7515

KINGSTON
KTD-PE432/64G
19.69 X 19.69 X 11.02 Inches
0.04 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MegaRetailStore 9.73

Features

Memory Size: 64 GB

Memory Technology: DDR4 SDRAM

Memory Voltage: 1.20 V

Number of Modules: 1 x 64 GB

Memory Speed: 3200 MHz

#TOP28

256Gb 4X64Gb Ddr4-3200 Pc4-25600 2Rx4 Rdimm Ecc Registered Memory By Nemix Ram

NEMIX RAM
MR25600-924K04-G
8.00 X 3.00 X 1.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
nvtek 9.76

Features

NEMIX RAM ECC RDIMM (Registered DIMM) for Servers requiring DDR4 RDIMM. NOT FOR PC Computers!

Upgrade Consists of 4 pcs of 64GB Memory Module Module DDR4 288-pin RDIMM. Rank is 2Rx4.

DDR4-3200Mhz Technology ( PC4-25600 ) operating at standard 1.2V - 100% JEDEC Compliant

Registered DIMM server RAM upgrade ( ECC RDIMM ) manufactured using multi-layer density PCB with gold lead and major chipset by Micron, Samsung, or Hynix.

NEMIX RAM DDR4 Server Memory Upgrades allows you to get more out of your Tower Server / Rack Server / Blade Server / Array. NEMIX RAM server memory exceeds the competition. Our DDR4 memory is up to twice as fast as DDR3 technology, delivering twice the bandwidth and energy efficiency. This is not a PC upgrade - only for server installation. built with the highest quality and backed by Lifetime Replacement Warranty. NEMIX RAM has been Supplying the world with Server RAM upgrades since 1993.

#TOP29

128Gb (8X16Gb) Ddr4-2133Mhz Pc4-17000 Ecc Rdimm 2Rx4 1.2V Registered Server Memory By Nemix Ram

NEMIX RAM
MR17000-624K08-G
8.00 X 3.00 X 1.00 Inches
0.38 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
nvtek 9.76

Features

NEMIX RAM ECC RDIMM (Registered DIMM) for Servers requiring DDR4 RDIMM. NOT FOR PC Computers!

Upgrade Consists of 8 pcs of 16GB Memory Module Module DDR4 288-pin RDIMM. Rank is 2Rx4.

DDR4 2133Mhz Technology ( PC4-17000 ) operating at standard 1.2V - 100% JEDEC Compliant

Registered DIMM server RAM upgrade ( ECC RDIMM ) manufactured using multi-layer density PCB with gold lead and major chipset by Micron, Samsung, or Hynix.

NEMIX RAM DDR4 Server Memory Upgrades allows you to get more out of your Tower Server / Rack Server / Blade Server / Array. NEMIX RAM server memory exceeds the competition. Our DDR4 memory is up to twice as fast as DDR3 technology, delivering twice the bandwidth and energy efficiency. This is not a PC upgrade - only for server installation. built with the highest quality and backed by Lifetime Replacement Warranty. NEMIX RAM has been Supplying the world with Server RAM upgrades since 1993.

Supermicro Mem-Dr432L-Cl03-Er26 32Gb Ddr4 2666 Rdimm Server Memory Ram

NEMIX RAM
MR21300-324K01-SM-MEM-DR432L-CL03-ER26
8.00 X 3.00 X 1.00 Inches
0.38 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
nvtek 9.76

Features

Supermicro Certified MEM-DR432L-CL03-ER26

32GB (1x32GB) DDR4 2666 (PC4 21300)

ECC Registered RDIMM Server Memory RAM

Lifetime Replacement Warranty

Top 10 memory registered Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Nemix Ram 26
Owc 12
A-Tech 10
Samsung 5
Crucial 4
Kingston Technology 4
Keystron 3
Supermicro 3
Arch Memory 2
Brute Networks 2

Top 10 memory registered Brands Pie Chart


We've carried out a comprehensive analysis of 16,730 reviews on memory registered, using our selection criteria to identify the best options in the computers & accessories. Our findings reveal that most customers typically select memory registered priced around $298.69, with top brands including a-tech, samsung, crucial, kingston, feelmem, teamgroup, nemix ram, owc and supermicro and timetec

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