Your Browsing History
- In Stock
- Sold by Newegg
- Make an Offer
- New
Any questions? Our AI beta will help you find out quickly.
Try me now

DDR4 Desktop RAM Memory Upgrades
Shop A-Tech

Quick View
- $105.00 –
- More options from $105.00 - $127.70
- Free Shipping

Quick View
Hynix HMA81GU7CJR8N-VK 8GB DDR4-2666 ECC UDIMM
- Type: 288-Pin DDR4 SDRAM
- Rank: 1Rx8
- Model #: HMA81GU7CJR8N-VK
- $119.99 –
- Free Shipping

Quick View
8GB RAM Replacement for Hynix HMA81GR7AFR8N-VK, HMA81GR7CJR8N-VK, HMA81GR7JJR8N-VK | DDR4 2666MHz PC4-21300 ECC RDIMM 1Rx8 Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 1Rx8
- Model #: 5053772477957
- $71.49 –
- Free Shipping

Quick View
in 30 days
Supermicro (HMA81GR7CJR8N-VK) 8GB SDRAM ECC Registered DDR4 2666 (PC4 21300) Server Memory Model MEM-DR480L-HL05-ER26- CAS Latency: CL19
- Timing: 19-19-19
- Voltage: 1.20V
- Type: 288-Pin DDR4 SDRAM
- Model #: MEM-DR480L-HL05-ER26

Quick View
NEMIX RAM 32GB (1X32GB) DDR4 2666MHZ PC4-21300 2Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory Compatible with Dell PowerEdge T440 Tower
- Voltage: 1.20V
- Compatible System: Dell
- CAS Latency: CL19
- Part Number: MR21300-324K1
- Model #: MR21300-324K1-DL-PET440
- $249.99 –

Quick View
ASUS PRIME Z370-P II LGA 1151 (300 Series) Intel Z370 HDMI SATA 6Gb/s USB 3.1 ATX Intel Motherboard
- Memory Standard: DDR4 4000(O.C.)*/ 3866(O.C.)*/ 3733(O.C.)*/ 3600(O.C.)*/ 3466(O.C.)*/ 3400(O.C.)*/ 3333(O.C.)*/ 3300(O.C.)*/ 3200(O.C.)*/ 3000(O.C.)*/ 2800(O.C.)*/ 2666 / 2400 / 2133 * The maximum memory frequency supported varies by processor ** Refer to www.asus.com for the Memory QVL (Qualified Vendors List)
- Number of Memory Slots: 4x288pin (DDR4)
- Audio Chipset: Realtek ALC887
- Brand: ASUS
- Model #: PRIME Z370-P II..,
- $101.70 –
- More options from $79.00 - $120.00
- Free Shipping

Quick View
Crucial 32GB Kit (16GB x 2) DDR4 2666 MT/s (PC4-21300) UDIMM 288-Pin Memory - CT2K16G4DFRA266
- Model #: 9435761154210
- $299.99
- $284.99 –
- Save: $15.00 (5%)
- $5.99 Shipping

Quick View
Rimlance 8GB (1X8GB) 1.2V DDR4 2666MHz PC4-21300 ECC UDIMM 1RX8
- CAS Latency: CL19
- Type: 288-Pin DDR4 SDRAM
- Rank: 1Rx8
- Model #: REU21300S8C8
- $62.00 –
- Free Shipping

Quick View
SNPTP9W1C/16G - Dell Compatible 16GB PC4-21300 DDR4-2666MHz 2Rx8 1.2V Non-ECC UDIMM
- CAS Latency: CL15
- Voltage: 1.20V
- Chipset: Major Brand Chipset
- Buffered/Registered: Unregistered
- Model #: SNPTP9W1C/16G
- $159.45 –

Quick View
Supermicro Certified MEM-DR416LA-ER26 | Samsung M393A2K40BB2-CTD | 16GB PC4-21300 DDR4 2666MHz 1Rx4 Single Rank ECC RDIMM Registered 288-Pin Server Memory RAM
- Chipset: Samsung Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 1Rx4
- Model #: MEM-DR416LA-ER26 M393A2K40BB2-CTD
- $154.43 –

Quick View
A-Tech 16GB Kit (2x8GB) RAM for Apple iMac Pro (Late 2017) | DDR4 2666MHz PC4-21300 ECC RDIMM 288-Pin Memory Upgrade
- Voltage: 1.20V
- Compatible System: Apple Mac Systems
- Rank: 1Rx8
- Parts: Lifetime
- Model #: NE-MAC-0094
- $142.97 –
- Free Shipping

Quick View
NEMIX RAM 32GB (2X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NAS Memory KIT Compatible with Synology Rackstation DS1823xs+
- Voltage: 1.20V
- Compatible System: Synology
- CAS Latency: CL19
- Part Number: MSE21300-628K2
- Model #: MSE21300-628K2-SYN-DS1823XS+
- $313.89 –

Quick View
Supermicro Certified MEM-DR464L-HL03-LR26 Hynix HMAA8GL7CPR4N-VK 64GB DDR4-2666 ECC LRDIMM Memory
- CAS Latency: CL19
- Voltage: 1.20V
- Type: 288-Pin DDR4 SDRAM
- Rank: 4Rx4
- Model #: HMAA8GL7CPR4N-VK
- $273.75 –

Quick View
MSI B660M BOMMER DDR4 Micro ATX Motherboard, INTEL B660/LGA 1700 12th Gen Motherboard, SATA PCIe 4.0 DDR4 4000, Micro ATX Intel Motherboard
- CPU Socket Type: LGA 1700
- CPU Type: 12th generation Core/Pentium/Celeron
- Model #: B-MSI B660M BOMMER DDR4
- $179.00 –
- More options from $107.00 - $179.00
- Free Shipping

Quick View
GIGABYTE Z390 D LGA 1151 (300 Series) Intel Z390 SATA 6Gb/s ATX Intel Motherboard
- Memory Standard: Support for DDR4 4266(O.C.)/ 4133(O.C.)/ 4000(O.C.)/ 3866(O.C.)/ 3800(O.C.)/ 3733(O.C.)/ 3666(O.C.)/ 3600(O.C.)/ 3466(O.C.)/ 3400(O.C.)/ 3333(O.C.)/ 3300(O.C.)/ 3200(O.C.)/ 3000(O.C.)/ 2800(O.C.)/ 2666/ 2400/ 2133 MHz memory modules Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules (operate in non-ECC mode) Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules Support for Extreme Memory Profile (XMP) memory modules
- Number of Memory Slots: 4x288pin (DDR4)
- Audio Chipset: Realtek ALC887
- Brand: GIGABYTE
- Model #: Z390 D
- $189.88
- $100.99 –
- Save: $88.89 (46%)
- More options from $78.98 - $120.99
- Free Shipping

Quick View
A-Tech 256GB (2x128GB) 2S4Rx4 (8Rx4 3DS) PC4-21300R DDR4 2666 MHz ECC RDIMM Registered DIMM 288-Pin Octal Rank x4 3DS/TSV Server & Workstation RAM Memory Upgrade Kit
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Multi-channel Kit: Dual Channel Kit
- Model #: AT128G2D4D2666RO4N12V
- $1,429.98 –

Quick View
NEMIX RAM 32GB (4X8GB) DDR4 2666MHZ PC4-21300 1Rx8 1.2V 288-PIN ECC Unbuffered UDIMM Memory KIT
- Chipset: Major OEM Samsung, Micron, Hynix
- CAS Latency: CL19
- Voltage: 1.20V
- Part Number: ME21300-828K4
- Model #: ME21300-828K04-395
- $279.49 –
- Free Shipping

Quick View
- $188.94
- $180.74 –

Quick View
Hynix HMA84GR7AFR4N-VK 32GB DDR4-2666 ECC REG DIMM
- Type: 288-Pin DDR4 SDRAM
- Model #: 421-001712000361964
- $180.74 –

Quick View
8GB RAM Replacement for Hynix HMA81GR7CFR8N-VK, HMA81GR7MFR8N-VK | DDR4 2666MHz PC4-21300 ECC RDIMM 1Rx8 Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 1Rx8
- Model #: NE-PNR-1830
- $71.49 –
- Free Shipping

Quick View
NEMIX RAM 64GB (2X32GB) DDR4 2666MHZ PC4-21300 2Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with ASRock Rack ROMED8-2T AMD EPYC Series Motherboard
- Voltage: 1.20V
- Compatible System: ASRock
- CAS Latency: CL19
- Part Number: MR21300-324K2
- Model #: 0759170876761
- $499.49 –
- Free Shipping

Quick View
Intel® Xeon® E-2300 LGA 1200 Rack Optimized Mini ITX compact form factor increases density , plus dual 1G LAN, M.2 unleash independent I/O for OS drive, six SATA, one PCIe 4.0 slots, four USB 3.2 Gen
- Brand: ASUS
- CPU Socket Type: LGA 1200
- CPU Type: Intel® Xeon® Scalable Processors (up to 3rd Gen)
- Supported CPU Technologies: Supports Intel® Xeon® Scalable Processors (up to 3rd Gen)
- Model #: P12R-I
- $314.99 –
- Free Shipping

Quick View
- $97.09 –

Quick View
NEMIX RAM 64GB (2X32GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 260-PIN ECC SODIMM Compatible with ASUS LOCKERSTOR NAS
- Brand: NEMIX RAM
- Series: NEMIX RAM DDR4 Orignial Series 260-Pin ECC Unbuffered SODIMM Memory
- Capacity: 64GB (2 x 32GB)
- Type: 260-Pin DDR4 SO-DIMM
- Model #: MSE21300-328K2-AS-AS-32GECD4
- $545.99 –
- Free Shipping

Quick View
GIGABYTE C246-WU4 LGA 1151 (300 Series) Intel C246 ATX Intel Motherboard
- Memory Standard: DDR4 2666/ 2400/ 2133
- Number of Memory Slots: 4x288pin (DDR4)
- Audio Chipset: Realtek ALC1220-VB codec * The back panel line out jack supports DSD audio.
- Brand: GIGABYTE
- Model #: C246-WU4
- $338.37 –
- More options from $255.00 - $372.02
- $29.99 Shipping

Quick View
128GB RAM Replacement for Samsung M393AAK40B42-CWD | DDR4 2666MHz PC4-21300 ECC RDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
- Chipset: Samsung Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 2S4Rx4 (8Rx4)
- Model #: NE-PNR-2296
- $714.99 –

Quick View
NEMIX RAM 8GB (1X8GB) DDR4 2400MHZ PC4-19200 2Rx8 1.2V CL17 260-PIN Non-ECC Unbuffered SODIMM Memory Compatible with Apple iMac 2017 27-inch w/Retina 5K, 21.5-inch w/Retina 4K
- Brand: NEMIX RAM
- Series: Apple iMac/Mac Mini Compatible Series Memory
- Capacity: 8GB
- Speed: DDR4 2400 (PC4 19200)
- Model #: MS19200-818K01-AG1
- $56.99 –

Quick View
A-Tech 16GB 2Rx4 PC4-21300 DDR4 2666 ECC REG RDIMM Registered DIMM 288-Pin Dual Rank x4 Server RAM Memory Module
- Chipset: Major Brand Chipset
- Type: 288-Pin DDR4 SDRAM
- Rank: 2Rx4
- Parts: Lifetime
- Model #: AT16G1D4D2666RD4N12V
- $155.06 –

Quick View
NEMIX RAM 8GB (1X8GB) DDR4 2666MHZ PC4-21300 1Rx8 1.2V CL19 260-PIN Non-ECC SODIMM Unbuffered Laptop PC Computer Memory Compatible with Samsung M471A1K43DB1-CTD
- Brand: NEMIX RAM
- Series: Samsung Laptop, AIO All-in-One PC Compatible Series Memory
- Capacity: 8GB
- Speed: DDR4 2666 (PC4 21300)
- Model #: 759170818532
- $56.99 –
- Free Shipping

Quick View
NEMIX RAM 32GB (2X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN Non-ECC Unbuffered SODIMM Memory KIT Compatible with Apple Mac Mini 2018 Macmini8,1
- Brand: NEMIX RAM
- Series: Apple iMac/Mac Mini Compatible Series Memory
- Capacity: 32GB (2 x 16GB)
- Speed: DDR4 2666 (PC4 21300)
- Model #: MS21300-628K2-AMM8
- $185.88 –

Quick View
Supermicro Certified MEM-DR416L-HL01-EU26 Hynix HMA82GU7CJR8N-VK 16GB DDR4-2666 ECC UDIMM
OUT OF STOCK
- CAS Latency: CL11
- Voltage: 1.20V
- Type: 288-Pin DDR4 SDRAM
- Rank: 2Rx8
- Model #: HY4162666ECCD8-1-M6
- $169.99 –

Quick View
NEMIX RAM 32GB (2X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with ASRock Rack ROMED8-2T AMD EPYC Series Motherboard
- Voltage: 1.20V
- Compatible System: ASRock
- CAS Latency: CL19
- Part Number: MR21300-628K2
- Model #: 0759170876808
- $269.89 –
- Free Shipping

Quick View
NEMIX RAM 16GB (1X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 288-PIN ECC Unbuffered UDIMM Memory Compatible with Synology Rackstation RS2423RP+ NAS
- Brand: NEMIX RAM
- Series: Synology Compatible Series NAS Memory
- Capacity: 16GB
- Speed: DDR4 2666 (PC4 21300)
- Model #: ME21300-628K1-SYN-RS2423RP+
- $167.88 –

Quick View
HMA82GS6CJR8N SK Hynix 16GB 2RX8 DDR4 SO-DIMM PC4-21300 2666MHZ Memory Module HMA82GS6CJR8N-VK Laptop Memory
- Model #: HMA82GS6CJR8N-VK_UA
- $114.89 –













