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Home / HP / Hard Drives / HP 881781-B21

HP 881781-B21 12TB MidLine SAS 12Gb/s 3.5" LFF 7.2K LPC DS Helium 512e HDD

Part Number: 881781-B21     Brand: HP
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881781-B21 Price

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$584.00 $595.95
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Condition
Quantity

HP 881781-B21 Specs

▲
Brand
HP
Capacity
12TB
Hot-Swappable
Yes
Spindle Speed
7.2K
Carrier Type
Low Profile Carrier (LPC)
Interface Type
SAS
Data Transfer Rate
12Gb/s
Workload
MidLine (MDL)
Encryption
Digitally Signed (DS)
Sector Size
512e
Form Factor
3.5" LFF
Drive Technology (Fill)
Helium
HPE Server Generations
Gen 11/Gen 10+/Gen 10

This HP Hard Drive 881781-B21 is compatible with these HP Servers

▲
ProLiant DL20
ProLiant DL320
ProLiant DL325
ProLiant DL345
ProLiant DL360
ProLiant DL380
ProLiant DL385
Proliant DL160
Proliant DL180
Proliant ML110
Proliant ML350

HP 881781-B21 Description

▼

The HP 881781-B21 12TB MidLine SAS 12Gb/s 3.5" LFF 7.2K LPC DS Helium 512e HDD is a high-capacity, reliable hard drive designed for enterprise storage solutions. Ideal for data centers and business-critical applications, this drive supports a variety of HPE ProLiant server models including ProLiant DX, DL, ML, SL, BL, XL, and CL series. Its compatibility with Gen 10, Gen 10+, and Gen 11 server generations ensures seamless integration and optimal performance in your existing infrastructure.

This hard drive is built for midline workloads, offering a balance of performance and cost-efficiency. The helium-filled technology reduces friction and power consumption, while the 7,200 RPM spindle speed delivers steady data access. With a 12Gb/s SAS interface and a 3.5" large form factor, it fits perfectly into low profile carriers (LPC) designed for enterprise environments. The drive also features digital signature encryption for enhanced data security and uses a 512e sector size for compatibility with modern storage systems.

Key specifications of the HP 881781-B21 include:

  • Brand: HP
  • Capacity: 12TB
  • Hot-Swappable: Yes, allowing easy replacement without downtime
  • Spindle Speed: 7,200 RPM for reliable performance
  • Carrier Type: Low Profile Carrier (LPC)
  • Interface Type: SAS (Serial Attached SCSI) with 12Gb/s data transfer rate
  • Workload: MidLine (MDL), suitable for balanced storage needs
  • Encryption: Digitally Signed (DS) for data integrity and security
  • Sector Size: 512e (512-byte emulation)
  • Form Factor: 3.5" Large Form Factor (LFF)
  • Drive Technology: Helium-filled for lower power consumption and cooler operation
  • Compatible Server Generations: HPE Gen 10, Gen 10+, and Gen 11

For maintenance and replacement, the following spare part numbers correspond to this hard drive and its components:

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ⓘ We found 9 subs for the HP 881781-B21
100% Match
HP 882398-001 12TB MidLine SAS 12Gb/s 3.5" LFF 7.2K LPC DS Helium 512e HDD
✓ Spindle Speed: 7.2K
✓ Capacity: 12TB
✓ Interface: SAS
✓ Form Factor: 3.5" LFF
✓ Brand: HP
✓ Workload: MidLine (MDL)
✓ Drive Technology (Fill): Helium
✓ Hot-Swappable: Yes
✓ Data Transfer Rate: 12Gb/s
✓ Encryption: Digitally Signed (DS)
✓ Sector Size: 512e
100% Match
HP 868210-001 12TB MidLine SAS 12Gb/s 3.5" LFF 7.2K SC DS Helium 512e HDD
✓ Spindle Speed: 7.2K
✓ Capacity: 12TB
✓ Interface: SAS
✓ Form Factor: 3.5" LFF
✓ Brand: HP
✓ Workload: MidLine (MDL)
✓ Drive Technology (Fill): Helium
✓ Hot-Swappable: Yes
✓ Data Transfer Rate: 12Gb/s
✓ Encryption: Digitally Signed (DS)
✓ Sector Size: 512e
100% Match
HP 881785-B21 12TB SATA 7.2K 3.5" LFF MDL SC HDD
✓ Spindle Speed: 7.2K
✓ Capacity: 12TB
✓ Interface: SATA
✓ Form Factor: 3.5" LFF
✓ Brand: HP
✓ Workload: MidLine (MDL)
✓ Drive Technology (Fill): Helium
✓ Hot-Swappable: Yes
✓ Data Transfer Rate: 6Gb/s
✓ Encryption: Digitally Signed (DS)
✓ Sector Size: 512e
100% Match
HP 881779-B21 12TB MidLine SAS 12Gb/s 3.5" LFF 7.2K SC DS Helium 512e HDD
✓ Spindle Speed: 7.2K
✓ Capacity: 12TB
✓ Interface: SAS
✓ Form Factor: 3.5" LFF
✓ Brand: HP
✓ Workload: MidLine (MDL)
✓ Drive Technology (Fill): Helium
✓ Hot-Swappable: Yes
✓ Data Transfer Rate: 12Gb/s
✓ Encryption: Digitally Signed (DS)
✓ Sector Size: 512e
100% Match
HP 881783-B21 12TB MidLine SAS 12Gb/s 3.5" LFF 7.2K SC DS Helium 512e HDD
✓ Spindle Speed: 7.2K
✓ Capacity: 12TB
✓ Interface: SAS
✓ Form Factor: 3.5" LFF
✓ Brand: HP
✓ Workload: MidLine (MDL)
✓ Drive Technology (Fill): Helium
✓ Hot-Swappable: Yes
✓ Data Transfer Rate: 12Gb/s
✓ Encryption: Digitally Signed (DS)
✓ Sector Size: 512e
100% Match
HP 881779-S21 12TB MidLine SAS 12Gb/s 3.5" LFF 7.2K SC DS Helium 512e HDD
✓ Spindle Speed: 7.2K
✓ Capacity: 12TB
✓ Interface: SAS
✓ Form Factor: 3.5" LFF
✓ Brand: HP
✓ Workload: MidLine (MDL)
✓ Drive Technology (Fill): Helium
✓ Hot-Swappable: Yes
✓ Data Transfer Rate: 12Gb/s
✓ Encryption: Digitally Signed (DS)
✓ Sector Size: 512e
100% Match
HP P04385-001 12TB MidLine SAS 12Gb/s 3.5" LFF 7.2K SC DS Helium 512e HDD
✓ Spindle Speed: 7.2K
✓ Capacity: 12TB
✓ Interface: SAS
✓ Form Factor: 3.5" LFF
✓ Brand: HP
✓ Workload: MidLine (MDL)
✓ Drive Technology (Fill): Helium
✓ Hot-Swappable: Yes
✓ Data Transfer Rate: 12Gb/s
✓ Encryption: Digitally Signed (DS)
✓ Sector Size: 512e
100% Match
HP MB012000JWTFC 12TB SAS 12Gb/s 3.5" LFF 7.2K SC DS 512e HDD
✓ Spindle Speed: 7.2K
✓ Capacity: 12TB
✓ Interface: SAS
✓ Form Factor: 3.5" LFF
✓ Brand: HP
✓ Workload: MidLine (MDL)
✓ Drive Technology (Fill): Helium
✓ Hot-Swappable: Yes
✓ Data Transfer Rate: 12Gb/s
✓ Encryption: Digitally Signed (DS)
✓ Sector Size: 512e
98% Match
HP MB012000JWDFD 12TB MidLine SAS 12Gb/s 3.5" LFF 7.2K SC DS Helium 512e HDD
✓ Spindle Speed: 7.2K
✓ Capacity: 12TB
✓ Interface: SAS
✓ Form Factor: 3.5" LFF
✓ Brand: HP
✓ Workload: MidLine (MDL)
✓ Drive Technology (Fill): Helium
✓ Hot-Swappable: Yes
✓ Data Transfer Rate: 12Gb/s
✓ Encryption: Digitally Signed (DS)
✓ Sector Size: 512e
+ Dual Port: Yes

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Gary B.
2025-06-12
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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
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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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Matthew S.
2025-04-08
✓ Verified Buyer
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Good purchasing experience.
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Aaron P.
2025-04-04
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The refurbished drives we ordered were in perfect condition.
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2025-04-04
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BoostHardware always has what I need at reasonable prices.
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2025-03-28
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2025-03-21
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Good price on the drives we needed.

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