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Home / HP / Solid State Drives / HP P40551-B21

HP P40551-B21 6.4TB PCIe 3.0 x4 NVMe U.2 2.5" SFF Mixed Use DS SSD

Part Number: P40551-B21     Brand: HP
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Condition
Quantity

HP P40551-B21 Product Specs

▲
Brand
HP
Capacity
6.4TB
Interface Type
PCIe 3.0
Workload
Mixed Use (MU)
Encryption
Digitally Signed (DS)
Form Factor
2.5" SFF
Drive Interface
U.2
Data Transfer Lanes
x4
Data Transfer Protocol
NVMe
HPE Server Generations
Gen 11/Gen 10+

This HP Solid State Drive P40551-B21 is compatible with these HP Servers

▲
ProLiant DL345
ProLiant DL360
ProLiant DL365
ProLiant DL380

HP P40551-B21 Description

▼

Introducing the HP P40551-B21 6.4TB PCIe 3.0 x4 NVMe U.2 2.5" SFF Mixed Use DS SSD, a high-performance solid-state drive designed to meet the demanding storage needs of modern data centers and enterprise environments. This SSD is ideal for mixed-use workloads, providing a perfect balance between read and write operations, making it suitable for applications such as virtualization, database management, and high-transaction environments. It is compatible with a wide range of HPE ProLiant server models, including ProLiant DX, DL, ML, SL, BL, XL, and CL series, ensuring seamless integration into your existing infrastructure.

Key specifications of this SSD highlight its robust performance and advanced features. It boasts a large 6.4TB capacity, delivering ample storage space for critical data. The PCIe 3.0 interface with x4 data transfer lanes and NVMe protocol ensures ultra-fast data transfer speeds, significantly reducing latency and improving overall system responsiveness. The drive uses a 2.5" Small Form Factor (SFF) with a U.2 interface, making it compatible with modern server hardware. Additionally, it supports digital signature encryption (DS) for enhanced data security and is optimized for HPE server generations Gen 10+ and Gen 11.

  • Brand: HP
  • Capacity: 6.4TB
  • Interface Type: PCIe 3.0
  • Workload: Mixed Use (MU)
  • Encryption: Digitally Signed (DS)
  • Form Factor: 2.5" Small Form Factor (SFF)
  • Drive Interface: U.2
  • Data Transfer Lanes: x4
  • Data Transfer Protocol: NVMe
  • HPE Server Generations: Gen 11 / Gen 10+

For maintenance and replacement, the following spare part number is associated with this SSD:

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

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Everett M.
ⓘ We found 2 subs for the HP P40551-B21
98% Match
HP P10651-001 6.4TB PCIe 3.0 x4 NVMe U.2 2.5" SFF Mixed Use SC DS SSD
✓ Capacity: 6.4TB
✓ Interface: PCIe 3.0
✓ Form Factor: 2.5" SFF
✓ Brand: HP
✓ Workload: Mixed Use (MU)
+ NAND Flash Memory Type: Triple-Level Cell (TLC)
✓ Encryption: Digitally Signed (DS)
✓ Data Transfer Lanes: x4
✓ Data Transfer Protocol: NVMe
✓ Drive Interface: U.2
98% Match
HP P13829-001 6.4TB PCIe 3.0 x4 NVMe U.2 2.5" SFF Mixed Use SC TLC DS SSD
✓ Capacity: 6.4TB
✓ Interface: PCIe 3.0
✓ Form Factor: 2.5" SFF
✓ Brand: HP
✓ Workload: Mixed Use (MU)
+ NAND Flash Memory Type: Triple-Level Cell (TLC)
✓ Encryption: Digitally Signed (DS)
✓ Data Transfer Lanes: x4
✓ Data Transfer Protocol: NVMe
✓ Drive Interface: U.2

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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Availability

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30 days return

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