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Home / HP / Server RAM / HP 708640-B21

HP 708640-B21 8GB 1866MHz 2Rx4 240 Pin ECC DDR3 Memory

Part Number: 708640-B21     Brand: HP
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Condition
Quantity

HP 708640-B21 Product Specs

▲
Brand
HP
Capacity
8GB
Memory Speed
1866MHz
Data Integrity Check
ECC
Voltage
1.5v
Latency Timing
CL13
Pins
240 Pin
Memory Technology
DDR3
Memory Form Factor
DIMM

HP 708640-B21 Description

▼

Upgrade your server performance with the HP 708640-B21 8GB 1866MHz 2Rx4 240 Pin ECC DDR3 Memory. This high-quality memory module is designed to enhance the reliability and speed of your HP ProLiant servers, including models from the ProLiant DX, DL, ML, SL, BL, XL, and CL series. Ideal for data centers, enterprise environments, and demanding applications, this ECC DDR3 memory ensures data integrity and system stability, making it a perfect choice for mission-critical workloads.

Let's take a closer look at the key specifications that make this memory module a reliable and efficient upgrade for your server:

  • Brand: HP – trusted manufacturer with proven quality
  • Capacity: 8GB – ample memory for multitasking and heavy workloads
  • Memory Speed: 1866MHz – fast data transfer rates for improved performance
  • Data Integrity Check: ECC (Error-Correcting Code) – detects and corrects memory errors to prevent data corruption
  • Voltage: 1.5v – standard voltage ensuring compatibility and power efficiency
  • Latency Timing: CL13 – low latency for quicker response times
  • Pins: 240 Pin – standard DIMM form factor for easy installation
  • Memory Technology: DDR3 – widely supported and reliable memory technology
  • Memory Form Factor: DIMM – suitable for server motherboards
Trusted by 5000+ IT Managers, System Integrators & Data Center Experts
Excellent
289 reviews on
Reviews.io

Easy Returns

"We purchased the wrong part by mistake. Boost hardware made it easy to return and quickly issued me a refund."

Even P.

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"We were able to purchase 10x HP 782995-001 for 25% less than the next lowest price. Very impressed with the quick shipping and lack of issues."

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Excellent Customer Service

"Excellent customer service; they got in touch with me right away. They upgraded my next order to free 2-day shipping."

Everett M.
ⓘ We found 8 subs for the HP 708640-B21
98% Match
HP 731761-S21 8GB 1866MHz 1Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 8GB
✓ Brand: HP
✓ Voltage: 1.5v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL13
+ Chipset: 1Rx4
✓ Memory Form Factor: DIMM
✓ Memory Speed: 1866MHz
98% Match
HP 735303-001 8GB 1866MHz 1Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 8GB
✓ Brand: HP
✓ Voltage: 1.5v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL13
+ Chipset: 1Rx4
✓ Memory Form Factor: DIMM
✓ Memory Speed: 1866MHz
98% Match
HP 731762-B21 8GB 1866MHz 1Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 8GB
✓ Brand: HP
✓ Voltage: 1.5v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL13
+ Chipset: 1Rx4
✓ Memory Form Factor: DIMM
✓ Memory Speed: 1866MHz
98% Match
HP 708639-S21 8GB 1866MHz 2Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 8GB
✓ Brand: HP
✓ Voltage: 1.5v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL13
+ Chipset: 2Rx4
✓ Memory Form Factor: DIMM
✓ Memory Speed: 1866MHz
98% Match
HP 731657-581 8GB 1866 MHz 1Rx4 240 Pin ECC DDR3 DIMM Memory
✓ Memory Technology: DDR3
✓ Capacity: 8GB
✓ Brand: HP
✓ Voltage: 1.5v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL13
+ Chipset: 1Rx4
✓ Memory Form Factor: DIMM
✓ Memory Speed: 1866MHz
98% Match
HP 731761-B21 8GB 1866MHz 1Rx4 ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 8GB
✓ Brand: HP
✓ Voltage: 1.5v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL13
+ Chipset: 1Rx4
✓ Memory Form Factor: DIMM
✓ Memory Speed: 1866MHz
96% Match
HP 733736-001 8GB 1866MHz 2Rx8 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 8GB
✓ Brand: HP
✓ Voltage: 1.5v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL13
+ Chipset: 2Rx8
✓ Memory Form Factor: DIMM
✓ Memory Speed: 1866MHz
+ Buffered/Registered: Non
96% Match
HP E2Q93AA 8GB 1866 MHz 2Rx8 240 Pin ECC DDR3 UDIMM Memory
✓ Memory Technology: DDR3
✓ Capacity: 8GB
✓ Brand: HP
✓ Voltage: 1.5v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL13
+ Chipset: 2Rx8
✓ Memory Form Factor: DIMM
✓ Memory Speed: 1866MHz
+ Buffered/Registered: Non

Customer Reviews

4.8
★★★★★
289 reviews
94% recommend
5
(253)
4
(21)
3
(9)
2
(2)
1
(4)
G
Gary B.
2025-06-12
✓ Verified Buyer
★★★★★
The sales guy at Boost Hardware was super knowledgeable. He helped me find the right part for my older Proliant server.
E
Even P.
2025-04-09
✓ Verified Buyer
★★★★★
We purchased the wrong part by mistake. Boost hardware made it easy to return and quickly issued me a refund.
M
Matthew S.
2025-04-08
✓ Verified Buyer
★★★★★
Good purchasing experience.
A
Aaron P.
2025-04-04
✓ Verified Buyer
★★★★★
The refurbished drives we ordered were in perfect condition.
M
Mitch F.
2025-04-04
✓ Verified Buyer
★★★★★
BoostHardware always has what I need at reasonable prices.
D
David P.
2025-03-28
✓ Verified Buyer
★★★★★
Delivered on time.
L
Louis J.
2025-03-26
✓ Verified Buyer
★★★★★
Found the hard drives I needed. The ordering process was smooth and fast. Got the drives next day.
D
Darryl P.
2025-03-25
✓ Verified Buyer
★★★★★
Excellent personal service, thanks Scott!
L
Lindsay M.
2025-03-21
✓ Verified Buyer
★★★★★
Good price on the drives we needed.

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