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Home / HP / Server RAM / HP 708641-B21

HP 708641-B21 16GB 1866MHz 2Rx4 240 Pin ECC DDR3 Memory

Part Number: 708641-B21     Brand: HP
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708641-B21 HP Image

708641-B21 Price

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Condition
Quantity

HP 708641-B21 Specs

▲
Brand
HP
Capacity
16GB
Memory Speed
1866MHz
Data Integrity Check
ECC
Voltage
1.5v
Rank
2Rx4
Latency Timing
CL13
Pins
240 Pin
Memory Technology
DDR3
Buffered/Registered
Yes
Memory Form Factor
RDIMM
HPE Server Generations
Gen 8

About HP 708641-B21

▲

HP 708641-B21 is a 16GB server memory module for HPE Gen8 servers. It uses DDR3 SDRAM technology and the RDIMM form factor, with registered buffering and ECC data integrity checking.

This 240-pin module operates at 1866MHz, also identified as DDR3-1866 and PC3-14900R. It has a dual-rank 2Rx4 design, CL13 latency timing and 1.5V voltage.

This HP Server RAM 708641-B21 is compatible with these HP Servers

▲
Proliant BL460c
Proliant BL660c
Proliant DL360
Proliant DL560
Proliant DL580
Proliant ML350
Proliant SL270s

HP 708641-B21 Description

▼

The HP 708641-B21 16GB 1866MHz 2Rx4 240 Pin ECC DDR3 Memory module is designed to enhance the performance and reliability of your HPE servers. Ideal for use in a wide range of ProLiant server models, including ProLiant DX, DL, ML, SL, BL, XL, and CL series, this memory module ensures smooth and efficient operation for demanding enterprise workloads. Whether you're upgrading your server's memory capacity or replacing existing modules, this 16GB RDIMM is fully compatible with HPE Gen 8 server generations, providing robust support for virtualization, database management, and cloud computing applications.

Key specifications of this memory module highlight its advanced features and compatibility. It operates at a high speed of 1866MHz, ensuring fast data processing and reduced latency with a CL13 timing. The module supports ECC (Error-Correcting Code) technology, which helps maintain data integrity by detecting and correcting memory errors automatically. With a voltage of 1.5V and a 2Rx4 rank configuration, this 240-pin DDR3 RDIMM is registered/buffered to improve signal stability and overall system reliability.

  • Brand: HP
  • Capacity: 16GB
  • Memory Speed: 1866MHz
  • Data Integrity Check: ECC
  • Voltage: 1.5V
  • Rank: 2Rx4
  • Latency Timing: CL13
  • Pins: 240 Pin
  • Memory Technology: DDR3
  • Buffered/Registered: Yes (RDIMM)
  • Memory Form Factor: RDIMM
  • HPE Server Generations: Gen 8

For ease of replacement or upgrade, this memory module corresponds to several spare part numbers, ensuring you can find the right fit for your server maintenance needs:

  • HP 708641-S21
  • HP 712383-081
  • HP 715274-001
  • HP (additional part number not specified)
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ⓘ We found 3 subs for the HP 708641-B21
100% Match
✓ Memory Technology: DDR3
✓ Capacity: 16GB
✓ Brand: HP
✓ Voltage: 1.5v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL13
✓ Chipset: 2Rx4
✓ Memory Form Factor: DIMM
✓ Memory Speed: 1866MHz
✓ Buffered/Registered: Yes
90% Match
HP 501538-001 16GB 1066MHz 4Rx4 240 Pin ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 16GB
✓ Brand: HP
✓ Voltage: 1.5v
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL7
✓ Chipset: 4Rx4
✓ Memory Form Factor: DIMM
✓ Memory Speed: 1066MHz
✕ Buffered/Registered: Yes
81% Match
HP 500666-B21 16GB 1066MHz 4Rx4 ECC DDR3 Memory
✓ Memory Technology: DDR3
✓ Capacity: 16GB
✓ Brand: HP
✓ Pins: 240 Pin
✓ ECC: ECC
✓ CAS Latency: CL7
✕ Voltage: 1.5v
✓ Chipset: 4Rx4
✓ Memory Form Factor: DIMM
✓ Memory Speed: 1066MHz
✕ Buffered/Registered: Yes

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.
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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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