DDR4 2666 | Newegg.com

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Price

$0 - $10
$10 - $25
$25 - $50
$50 - $75
$75 - $100
$100 - $200

$200 - $300
$300 - $400
$400 - $500
$500 - $750
$750 - $1000
$1000 - $1250
$1250 - $1500
$1500 - $2000
$2000 - $2500
$2500 - $3000
$3000 - $3500
$3500 - $4000
$4000 - $4500
$4500 - $5000
$5000 and more

Speed

DDR5
- DDR5 8200 (PC5 65600)
- DDR5 8000 (PC5 64000)
- DDR5 7800 (PC5 62400)
- DDR5 7600 (PC5 60800)
- DDR5 6600 (PC5 52800)
- DDR5 6400 (PC5 51200)
- DDR5 6000 (PC5 48000)
- DDR5 5600 (PC5 44800)
- DDR5 5200 (PC5 41600)
- DDR5 4800 (PC5 38400)
DDR4
- DDR4 4600 (PC4 36800)
- DDR4 4266 (PC4 34100)
- DDR4 4000 (PC4 32000)
- DDR4 3600 (PC4 28800)
- DDR4 3333 (PC4 26600)
- DDR4 3200 (PC4 25600)
- DDR4 3000 (PC4 24000)
- DDR4 2933 (PC4 23400)
- DDR4 2666 (PC4 21333)
- DDR4 2666 (PC4 21330)
- DDR4 2666 (PC4 21300)
- DDR4 2400 (PC4 19200)
- DDR4 2133 (PC4 17000)
DDR3
- DDR3 2666 (PC3 21300)
- DDR3 1866 (PC3 14900)
- DDR3L 1866 (PC3L 14900)
- DDR3 1600 (PC3 12800)
- DDR3 1333 (PC3 10666)
- DDR3 1333 (PC3 10600)
- DDR3L 1333 (PC3L 10600)
- DDR3 1066 (PC3 8500)
- DDR3L 1066 (PC3L 8500)
DDR2
- DDR2 667 (PC2 5300)
- DDR2 533 (PC2 4200)
DDR
- DDR 266 (PC 2100)

Capacity

256GB per Module
- 512GB (2 x 256GB)
- 3TB (12 x 256GB)
- 2TB (8 x 256GB)
- 1.5TB (6 x 256GB)
- 1TB (4 x 256GB)
128GB per Module
- 256GB (2 x 128GB)
- 512GB (4 x 128GB)
- 1TB (8 x 128GB)
- 2TB (16 x 128GB)
- 1.5TB (12 x 128GB)
- 768GB (6 x 128GB)
64GB per Module
- 64GB
- 128GB (2 x 64GB)
- 256GB (4 x 64GB)
- 384GB (6 x 64GB)
- 512GB (8 x 64GB)
- 1TB (16 x 64GB)
- 768GB (12 x 64GB)
48GB per Module
- 96GB (2 x 48GB)
- 384GB (8 x 48GB)
32GB per Module
- 32GB
- 64GB (2 x 32GB)
- 128GB (4 x 32GB)
- 256GB (8 x 32GB)
- 384GB (12 x 32GB)
- 512GB (16 x 32GB)
- 192GB (6 x 32GB)
16GB per Module
- 16GB
- 32GB (2 x 16GB)
- 64GB (4 x 16GB)
- 96GB (6 x 16GB)
- 128GB (8 x 16GB)
- 192GB (12 x 16GB)
- 256GB (16 x 16GB)

8GB per Module
- 8GB
- 16GB (2 x 8GB)
- 32GB (4 x 8GB)
- 48GB (6 x 8GB)
- 64GB (8 x 8GB)
- 128GB (16 x 8GB)
4GB per Module
- 4GB
- 8GB (2 x 4GB)
- 16GB (4 x 4GB)
- 32GB (8 x 4GB)
- 64GB (16 x 4GB)
2GB per Module
- 2GB
- 4GB (2 x 2GB)
- 8GB (4 x 2GB)
- 32GB (16 x 2GB)
1GB per Module
- 1GB
- 2GB (2 x 1GB)
Under 1GB per Module
- 16MB
- 64MB
- 128MB
- 512MB
Others
- 48GB
- 128GB
- 256GB
- 512GB

Type

288-Pin DDR5 CUDIMM
288-Pin DDR5 SDRAM
288-Pin DDR4 SDRAM
240-Pin DDR3 SDRAM
240-Pin DDR2 SDRAM
184-Pin DDR SDRAM

100-Pin SDRAM
288-Pin DDR4 RDIMM

CAS Latency

CAS Latency 41 and more
- CL42
- CL46
CAS Latency 31-40
- CL32
- CL34
- CL36
- CL38
- CL40
CAS Latency 21-30
- CL21
- CL22
CAS Latency 11-20
- CL11
- CL13
- CL14
- CL15
- CL16
- CL17
- CL18
- CL19
- CL20
CAS Latency 6-10
- CL6
- CL7
- CL9
CAS Latency 1-5
- CL1.5
- CL2
- CL2.5
- CL3
- CL5

Multi-channel Kit

Dual Channel Kit
Quad Channel Kit

Recommend Use

AMD & Intel Compatible
AMD 300 Series
AMD 400 Series
AMD 500 Series
AMD 600 Series
AMD 800 Series

AMD B350
AMD B450
AMD B550
AMD B850
AMD B650
AMD Ryzen Compatible
AMD TRX40
AMD X370
AMD X399
AMD X470
AMD X570
AMD X670
AMD X870
Intel Compatible
Intel 800 Series
Intel 700 Series
Intel 600 Series
Intel 500 Series
Intel 400 Series
Intel 300 Series
Intel 200 Series
Intel 100 Series
Intel B670
Intel B760
Intel B660
Intel H770
Intel X99
Intel X299
Intel Z170
Intel Z270
Intel Z370
Intel Z390
Intel Z490
Intel Z590
Intel Z690
Intel Z790
Intel Z890
High Performance or Gaming Memory

Voltage

1.10V
1.20V
1.25V
1.35V
1.40V
1.45V

1.50V
1.55V
1.80V
2.50V

ECC

Yes
No
ECC Chipkill

Color

Black
- Midnight Black
- Black PCB
Red
- Red
Gold
- Gold
Green
- Green
Gray
- Gray
- Gunmetal Grey
Multi
- Black / Red
- Black / White
- Gray / Red
- N/A
- Green/Black
- Black / Silver
- Black / Gold

Purple
- Purple
Silver
- Silver
White
- White

BIOS/Performance Profile

AMD EXPO
Intel XMP 2.0
Intel XMP 3.0
Intel XMP 3.0 / AMD EXPO

LED Color

RGB
Green
None

All Top Brands

Top Brands

Availability

In Stock

Condition

New
Recertified
- Refurbished
Used
- Like New
- Very Good
- Good
- Acceptable
Open Box

Total Capacity

16 MB
64 MB
128 MB
512 MB
1 GB
2 GB

4 GB
8 GB
16 GB
32 GB
48 GB
64 GB
96 GB
128 GB
Total Capacity
192 GB
256 GB
384 GB
512 GB
768 GB
1024 GB
1536 GB
2048 GB
3072 GB

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- Less than 1 Year
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- More than 5 years
- Lifetime
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DDR4 Desktop RAM Memory Upgrades

Shop A-Tech

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A-Tech 32GB (4x8GB) DDR4 2400MHz DIMM PC4-19200 UDIMM Non-ECC Unbuffered 1.2V CL17 288-Pin Desktop Computer RAM Memory Upgrade Kit

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A-Tech 32GB (4x8GB) DDR4 2666MHz DIMM PC4-21300 UDIMM Non-ECC Unbuffered 1.2V CL19 288-Pin Desktop Computer RAM Memory Upgrade Kit

$215^.96 –

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A-Tech 8GB DDR4 2666MHz DIMM PC4-21300 UDIMM Non-ECC Unbuffered 1.2V CL19 288-Pin Desktop Computer RAM Memory Upgrade Module

$54^.77 –

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OWC 8GB Replacement for QNAP RAM-8GDR4ECT0-SO-2666 8GB DDR4 2666 PC4-21300 CL19 1Rx8 260-pin 1.2V ECC Unbuffered SODIMM Memory RAM Module Upgrade

Brand: OWC
Capacity: 8GB
Type: 260-Pin DDR4 SO-DIMM
Speed: DDR4 2666 (PC4 21300)
Model #: OWC2C6D41R808GB-B576-SF

$79^.99 –

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OWC 8GB Replacement for QNAP RAM-8GDR4T0-SO-2666 8GB DDR4 2666 PC4-21300 CL19 1Rx8 260-pin 1.2V Non-ECC SODIMM Memory RAM Module Upgrade

Brand: OWC
Capacity: 8GB
Type: 260-Pin DDR4 SO-DIMM
Speed: DDR4 2666 (PC4 21300)
Model #: OWC2S6D41R808GB-B597-SF

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NEMIX RAM 32GB (1X32GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 260-PIN ECC SODIMM Compatible with QNAP RAM-32GDR4ECP0-SO-2666 ECC Unbuffered Memory

Model #: MSE21300-328K1-QN-RAM-32GDR4ECP0-SO-2666

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OWC 32GB Replacement for QNAP RAM-32GDR4S0-UD-2666 32GB DDR4 2666 PC4-21300 CL19 2Rx8 288-pin 1.2V Non-ECC UDIMM Memory RAM Module Upgrade

CAS Latency: CL19
Voltage: 1.2V
Brand: OWC
Capacity: 32GB
Model #: OWC2U6D42R832GB-B606-SF

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OWC 8GB Replacement for QNAP RAM-8GDR4ECT0-UD-2666 8GB DDR4 2666 PC4-21300 CL19 1Rx8 288-pin 1.2V ECC Unbuffered UDIMM Memory RAM Module Upgrade

CAS Latency: CL19
Voltage: 1.2V
Recommend Use: Workstations, Servers, and NAS Systems
ECC: Yes
Model #: OWC2E6D41R808GB-B579-SF

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OWC 8GB Replacement for Synology D4EU02-8G - DDR4 2666 PC4-21300 CL19 1Rx8 288-pin 1.2V ECC Unbuffered DIMM Memory RAM Module Upgrade

CAS Latency: CL19
Voltage: 1.2V
Brand: OWC
Capacity: 8GB
Model #: OWC2E6D41R808GB-C335-SF

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OWC 32GB Replacement for QNAP RAM-32GDR4ECS0-UD-2666 32GB DDR4 2666 PC4-21300 CL19 2Rx8 288-pin 1.2V ECC Unbuffered UDIMM Memory RAM Module Upgrade

CAS Latency: CL19
Voltage: 1.2V
Recommend Use: Workstations, Servers, and NAS Systems
ECC: Yes
Model #: OWC2E6D42R832GB-B581-SF

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SK Hynix 32GB DDR4 2666MHz PC4-21300 Laptop RAM PC4-SO-DIMM HMAA4GS6MJR8N-VK 1pc

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SK Hynix 32GB DDR4 2666MHz PC4-21300 Laptop RAM PC4-SO-DIMM HMAA4GS6MJR8N-VK 1pc

CAS Latency: CL19
Voltage: 1.20V
Buffered/Registered: Unbuffered
Multi-channel Kit: Dual Channel Kit
Model #: HMAA4GS6MJR8N-VK

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OWC 16GB (2x8GB) DDR4 2666MHz PC4-21300 CL19 1RX8 Non-ECC UDIMM 1.2V 288-pin Desktop Memory RAM Upgrade for PC

CAS Latency: CL19
Voltage: 1.2V
Multi-channel Kit: Dual Channel Kit
Recommend Use: Desktops
Model #: OWC2U6D41R8016P

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OWC 32GB (4x8GB) DDR4 2666MHz PC4-21300 CL19 1RX8 Non-ECC UDIMM 1.2V 288-pin Desktop Memory RAM Upgrade for PC

CAS Latency: CL19
Voltage: 1.2V
Multi-channel Kit: Dual Channel Kit
Recommend Use: Desktops
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16GB DDR4-2666Mhz (PC4-21300) SODIMM 2Rx8 Memory for Laptops Notebooks by Avarum Ram

CAS Latency: CL19
Voltage: 1.20V
Buffered/Registered: Unbuffered
Model #: Avarum4162666-SODIMM-0101

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OWC 16GB DDR4 2666 PC4-21300 CL19 2Rx8 VLP 288-pin 1.2V VLP ECC Unbuffered DIMM Memory RAM Module Upgrade Compatible with Supermicro SuperBlade 4119MG-X

Voltage: 1.2V
Compatible System: Supermicro SuperBlade 4119MG-X Supermicro Motherboard X11SCE-F Supermicro Motherboard X11SCL-LN4F Supermicro Motherboard X11SCM-F Supermicro Motherboard X11SCM-LN8F
CAS Latency: CL19
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OWC 16GB DDR4 2666 PC4-21300 CL19 2Rx8 VLP 288-pin 1.2V VLP ECC Unbuffered DIMM Memory RAM Module Upgrade Compatible with Supermicro Motherboard X11SCD-F X11SCE-F X11SCL-LN4F X11SCM-F X11SCM-LN8F

Voltage: 1.2V
Compatible System: Supermicro Motherboard X11SCD-F Supermicro Motherboard X11SCE-F Supermicro Motherboard X11SCL-LN4F Supermicro Motherboard X11SCM-F Supermicro Motherboard X11SCM-LN8F
CAS Latency: CL19
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Model #: OWC2E6V42R816GB-C290-SF

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OWC 64GB (2x32GB) DDR4 2666 PC4-21300 CL19 2Rx8 260-pin 1.2V ECC Unbuffered SODIMM Memory RAM Module Upgrade Kit Compatible with Synology DiskStation DS1621+ DS1621xs+

Voltage: 1.2V
Compatible System: Synology DiskStation DS1621+ Synology DiskStation DS1621xs+
CAS Latency: CL19
Part Number: 2C6D42R8064P
Model #: OWC2C6D42R8064P-ZAF-SF