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881785-B21
HPE 12TB SATA 6G Midline 7.2K LFF (3.5in) SC 1yr Wty Helium...
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
Every registration we claim is public record — check our federal contractor status yourself before you spend a dollar.
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
881785-B21 is a high-performance HDD engineered for enterprise use with a 3.5-inch form factor, featuring a SATA III interface and a spindle speed of 7200 RPM. It offers a storage capacity of 4 TB and is equipped with a 256 MB cache, making it an ideal choice for environments that demand speed and reliability.
Designed for rigorous applications in data centers, desktops, NAS, and surveillance systems, this drive boasts an annual workload rating of 550 TB/yr with proven MTBF-rated reliability. It features optimized power consumption for both read/write operations and idle states, along with advanced innovations such as helium-sealed construction, built-in vibration protection, and Dual Actuator technology.
881785-B21 price is $494.00, a 75.9% saving from the Hpe list price of $2,052.00. 881785-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 881785-B21 for additional pricing. Browse the full Hpe Server 3.5" Hard Drives series or explore all Hpe products.
In a global financial services firm, IT architects deploy the 881785-B21 HPE 12TB SATA 6G Midline 7.2K LFF HDD in their nightly backup clusters. The helium-filled design and digitally signed firmware deliver ultra-low power draw and end-to-end data integrity for large incremental and full-image backups. Outcome: 40% lower TCO, 99.999% data durability and accelerated restore times under 90 minutes for critical systems.
A SaaS archive provider leverages arrays of the HPE 12TB SATA 6G Midline HDD to host petabyte-scale customer records and regulatory archives. The 512e sector format and one-year warranty ensure long-term stability and certified data authenticity. Outcome: Secure, audit-ready storage that cuts rack space by 30%, slashes cooling costs by 25%, and meets GDPR, HIPAA and SEC 17a-4 obligations.
A metropolitan transit authority installs the 881785-B21 HPE 12TB SATA Midline drive in its network video recorders to store continuous 4K camera feeds for 60 days. Helium sealing minimizes vibration and heat, while 7.2K RPM performance sustains concurrent writes across 512 cameras. Outcome: Reliable, high-density footage retention with 20% power savings, zero frame loss and simplified scalability.
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| 881785-B21 |  878564-B21 |  872489-B21 |  834028-B21 |  861756-B21 | |
|---|---|---|---|---|---|
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Use Case | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III | SATA III | SATA III | SATA III | SATA III |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 4 TB | 8 TB | 4 TB | 4 TB | 4 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 256 MB | 128 MB | 128 MB | 128 MB |
| Data Transfer Rate | Up to 250 MB/s | Up to 210 MB/s | Up to 250 MB/s | Up to 210 MB/s | Up to 210 MB/s |
| Annual Workload Rating | 550 TB/yr | 180 TB/yr | 550 TB/yr | 300 TB/yr | 300 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8 Watts | 6.0 Watts | 10 Watts | 8.0 Watts |
| Power Consumption (Idle) | 5 Watts | 5 Watts | 4.0 Watts | 8 Watts | 5.0 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit | No |
| Helium Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed |
| Drive Bays Supported | Multi-bay | Multi-bay | Multi-bay | Multi-bay | Multi-bay |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Advanced Features | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator |
| Operating Temperature | 5–60°C | 5–60°C | 5–60°C | 5–60°C | 5–60°C |
| Product Name | 881785-B21 Enterprise HDD | 878564-B21 Enterprise HDD | 872489-B21 Enterprise Helium-Sealed 4TB HDD | 834028-B21 Enterprise 4TB SATA HDD | 861756-B21 |
| Height | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches | 1.0 inches |
| Width | 5.8 inches | 5.79 inches | 4.0 inches | 4.00 inches | 5.8 inches |
| Depth | 7.2 inches | 8.66 inches | 5.8 inches | 5.78 inches | 6.9 inches |
| Weight | 1.6 lbs | 2.2 lbs | 2.0 lbs | 2.8 lbs | 2.0 lbs |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Large capacity SATA drive ideal for archives and backups.
Quiet operation and consistent performance.
No firmware or compatibility issues.
Good value for high capacity storage.
Reliable midline HDD.
The HPE 881785-B21 provides 12 TB of raw storage capacity.
It uses a standard SATA 6 Gb/s interface for seamless integration.
This drive is a 3.5-inch large form factor (LFF) HDD.
It spins at 7,200 RPM to balance performance and capacity.
Helium reduces internal turbulence, lowering power consumption and improving thermal performance.
512e emulates 512 byte sectors on the host while using 4 KB physical sectors for higher density.
Digitally signed firmware ensures authenticity, preventing unauthorized modifications and enhancing drive security.
It comes with a 1 year limited warranty backed by HPE support.
It excels in nearline storage, backup, archive and media streaming applications.
The drive delivers up to 220 MB/s sustained sequential throughput.
Power usage is approximately 6.6 W during read/write and 4.2 W at idle.
It has a mean time between failures (MTBF) of 2 million hours.
Yes, it’s fully supported and validated for HPE ProLiant and Apollo server platforms.
Yes, it supports RAID configurations for enhanced performance and redundancy.
The recommended ambient temperature range is 5 °C to 60 °C.
Midline drives balance cost and performance for large-capacity, less-frequent access workloads.
United States
