HP 666306-B21 3TB MidLine SATA 6Gb/s 3.5" LFF 7.2K HDD
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Condition
HP 666306-B21 Product Specs
▲Brand
HP
Capacity
3TB
Spindle Speed
7.2K
Interface Type
SATA
Data Transfer Rate
6Gb/s
Workload
MidLine (MDL)
Cache
64MB
Form Factor
3.5" LFF
HP 666306-B21 Description
▼The HP 666306-B21 3TB MidLine SATA 6Gb/s 3.5" LFF 7.2K HDD is a reliable and high-capacity hard drive designed for enterprise environments. Ideal for data storage, backup, and archiving, this drive is compatible with a wide range of HP ProLiant server models including ProLiant DX, DL, ML, SL, BL, XL, and CL series. Its 3TB capacity and MidLine workload rating make it perfect for businesses needing a balance between performance and cost-efficiency in large-scale storage solutions.
Key specifications of this HP hard drive highlight its robust performance and compatibility features. It offers a 3TB storage capacity with a 7,200 RPM spindle speed, ensuring smooth and consistent data access. The SATA interface supports a fast data transfer rate of up to 6Gb/s, while the 64MB cache improves read/write efficiency. Its 3.5" Large Form Factor (LFF) fits standard server bays, making installation straightforward.
- Brand: HP
- Capacity: 3TB
- Spindle Speed: 7,200 RPM
- Interface Type: SATA
- Data Transfer Rate: 6Gb/s
- Workload: MidLine (MDL)
- Cache: 64MB
- Form Factor: 3.5" Large Form Factor (LFF)
For ease of maintenance and replacement, here are compatible spare part numbers for the HP 666306-B21 3TB MidLine SATA HDD:
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ⓘ We found 63 subs for the HP 666306-B21
100% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Data Transfer Rate: 6Gb/s
100% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Data Transfer Rate: 6Gb/s
100% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Data Transfer Rate: 6Gb/s
100% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Data Transfer Rate: 6Gb/s
100% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Data Transfer Rate: 6Gb/s
100% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Data Transfer Rate: 6Gb/s
100% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Data Transfer Rate: 6Gb/s
100% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Data Transfer Rate: 6Gb/s
100% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Data Transfer Rate: 6Gb/s
100% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Data Transfer Rate: 6Gb/s
100% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Data Transfer Rate: 6Gb/s
100% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Data Transfer Rate: 6Gb/s
100% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: No
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Data Transfer Rate: 6Gb/s
Dual Port: Yes
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: No
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 128MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 128MB
Brand: HP
Workload: MidLine (MDL)
Product Line: Constellation
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: No
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: No
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: No
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: No
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
98% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
96% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Product Line: Constellation
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
96% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: No
Data Transfer Rate: 6Gb/s
Sector Size: 512e
96% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 128MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
Encryption: Digitally Signed (DS)
96% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Product Line: Constellation
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
96% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
Encryption: Digitally Signed (DS)
94% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
Encryption: Digitally Signed (DS)
Sector Size: 512e
94% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 128MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
Encryption: Digitally Signed (DS)
Sector Size: 512e
94% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 128MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
Encryption: Digitally Signed (DS)
Sector Size: 512e
94% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Cache: 64MB
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
Encryption: Digitally Signed (DS)
Sector Size: 512e
87% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Brand: HP
Workload: MidLine (MDL)
Data Transfer Rate: 6Gb/s
Cache: 64MB
87% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Brand: HP
Workload: MidLine (MDL)
Data Transfer Rate: 6Gb/s
Cache: 64MB
87% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Brand: HP
Workload: MidLine (MDL)
Data Transfer Rate: 6Gb/s
Cache: 64MB
85% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: Yes
Data Transfer Rate: 6Gb/s
Cache: 64MB
85% Match
Spindle Speed: 7.2K
Capacity: 3TB
Interface: SATA
Form Factor: 3.5" LFF
Brand: HP
Workload: MidLine (MDL)
Hot-Swappable: No
Data Transfer Rate: 6Gb/s
Cache: 64MB
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.
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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