HP 431951-B21 300GB SAS 3Gb/s 3.5" LFF 15K HDD
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Condition
Quantity
HP 431951-B21 Product Specs
▲Brand
HP
Capacity
300GB
Hot-Swappable
Yes
Spindle Speed
15K
Interface Type
SAS
Data Transfer Rate
3Gb/s
Single Port
Yes
Cache
16MB
Form Factor
3.5" LFF
Formatted Capacity
300 GB
Drive Interface
Serial Attached SCSI (SAS)
Interface Speed
3 Gb/s
Hot-Plug Support
Yes
Port Configuration
Dual-port
HP 431951-B21 Description
▼The HP 431951-B21 300GB SAS 3Gb/s 3.5" LFF 15K HDD is a high-performance hard drive designed for enterprise-grade storage solutions. Ideal for use in HP ProLiant server models including DX, DL, ML, SL, BL, XL, and CL series, this drive offers reliable and fast data access for demanding applications such as database management, virtualization, and high-availability environments. Its compatibility with a wide range of ProLiant servers ensures seamless integration into your existing infrastructure.
This 3.5-inch Large Form Factor (LFF) hard drive features a 300GB storage capacity and operates at a spindle speed of 15,000 RPM, delivering quick data retrieval and improved overall system responsiveness. Equipped with a 16MB cache and a SAS interface supporting a 3Gb/s data transfer rate, it ensures efficient data throughput. Additionally, the drive supports hot-swapping, allowing for easy replacement or upgrades without downtime, which is critical for maintaining continuous server operation.
Key specifications of the HP 431951-B21 include:
- Brand: HP
- Capacity: 300GB
- Hot-Swappable: Yes
- Spindle Speed: 15,000 RPM
- Interface Type: SAS (Serial Attached SCSI)
- Data Transfer Rate: 3 Gb/s
- Single Port: Yes
- Cache: 16MB
- Form Factor: 3.5" Large Form Factor (LFF)
For maintenance or replacement, consider these compatible spare parts and alternatives:
- HP 431944-B21 (Part Number: 431944-B21)
- HP 480528-001 (Part Number: 480528-001)
- HP 416127-S21 (Part Number: 416127-S21)
- HP ST330057SSUN300G (Part Number: ST330057SSUN300G)
- HP 375874-015 (Part Number: 375874-015)
- HP 375874-016 (Part Number: 375874-016)
- HP 416127R-B21 (Part Number: 416127R-B21)
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ⓘ We found 41 subs for the HP 431951-B21
100% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Cache: 16MB
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
100% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Cache: 16MB
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
100% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Cache: 16MB
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
100% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Cache: 16MB
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
100% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Cache: 16MB
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
100% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Cache: 16MB
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
100% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Cache: 16MB
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
98% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Cache: 16MB
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
98% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Cache: 16MB
Brand: HP
Product Line: Cheetah
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
98% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Cache: 16MB
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
98% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Cache: 16MB
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
98% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Cache: 16MB
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
98% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Cache: 16MB
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
98% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Cache: 16MB
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
98% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Cache: 16MB
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Pins: 80-pin
98% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Cache: 16MB
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
98% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Cache: 16MB
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
98% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Cache: 16MB
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
98% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
96% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Cache: 16MB
Brand: HP
Product Line: Cheetah
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
96% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Cache: 16MB
Brand: HP
Workload: Enterprise (ENT)
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
96% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Cache: 16MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
87% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Cache: 16MB
87% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Cache: 16MB
85% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Brand: HP
Workload: Enterprise (ENT)
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Cache: 16MB
85% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
Cache: 16MB
85% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
Cache: 16MB
85% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
Cache: 16MB
85% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
Cache: 16MB
85% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
Cache: 16MB
85% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
Cache: 16MB
85% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
Cache: 16MB
85% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
Cache: 16MB
85% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
Cache: 16MB
85% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Brand: HP
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
Cache: 16MB
83% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Brand: HP
Workload: Enterprise (ENT)
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
Cache: 16MB
83% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Brand: HP
Workload: Enterprise (ENT)
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
Cache: 16MB
83% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Brand: HP
Workload: Enterprise (ENT)
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
Cache: 16MB
83% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
Cache: 16MB
83% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
Cache: 16MB
81% Match
Spindle Speed: 15K
Capacity: 300GB
Interface: SAS
Form Factor: 3.5" LFF
Brand: HP
NAND Flash Memory Type: Triple-Level Cell (TLC)
Product Line: Momentus
Hot-Swappable: Yes
Data Transfer Rate: 3Gb/s
Dual Port: Yes
Cache: 16MB
Customer Reviews
4.8
★★★★★
289 reviews
94% recommend
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.
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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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