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$1,012.00
$299.0070.5% off
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861750-B21
HPE 6TB SATA 6G Midline 7.2K LFF (3.5in) SC 1yr Wty 512e HDD
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.
861750-B21 is a high-performance HDD engineered for demanding environments. Designed as a 3.5-inch drive with a SATA III interface, it operates at 7200 RPM and offers an 8 TB capacity combined with a 256 MB cache. The drive is rated for a continuous annual workload of 300 TB/yr, backed by an MTBF of 1,200,000 hours and engineered for 24/7 reliability.
861750-B21 is purpose-built for versatile use across desktop, server, NAS, and surveillance applications. With power consumption figures of 8.0 Watts during read/write operations and 6.0 Watts at idle, the drive incorporates advanced features such as helium sealing, built-in vibration protection, and dual actuator technology—making it an ideal solution for high-density data centers, enterprise storage systems, and robust surveillance environments.
861750-B21 price is $299.00, a 70.5% saving from the Hpe list price of $1,012.00. 861750-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 861750-B21 for additional pricing. Browse the full Hpe Server 3.5" Hard Drives series or explore all Hpe products.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| 861750-B21 |  K2R22A |  861683-B21 |  843268-B21 |  P09693-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 | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III | SATA III | SAS 12Gb/s | SATA III | SATA III |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 8 TB | 10 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 250 MB/s | Up to 250 MB/s | Up to 210 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 300 TB/yr | 550 TB/yr | 300 TB/yr | 180 TB/yr | 180 TB/yr |
| Power Consumption (Read/Write) | 8.0 Watts | 8 Watts | 9 Watts | 8 Watts | 8 Watts |
| Power Consumption (Idle) | 6.0 Watts | 5 Watts | 6 Watts | 5 Watts | 5 Watts |
| Encryption Support | AES 256-bit | No | AES 256-bit | No | AES 256-bit |
| Helium Sealed | Helium-Sealed | Helium-Sealed | No | 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 | Rotational Vibration Sensors | Dual Actuator | Dual Actuator |
| Operating Temperature | 5–55°C | 5–60°C | 5–55°C | 5–60°C | 5–60°C |
| Product Name | 861750-B21 | K2R22A Enterprise HDD | 861683-B21 Enterprise Performance HDD | 843268-B21 High-Performance SATA III HDD | P09693-B21 Enterprise Helium-Sealed HDD |
| Height | 1.03 inches | 1.03 inches | 1 in | 1.04 inches | 1.03 inches |
| Width | 4.00 inches | 5.79 inches | 5.8 in | 5.79 inches | 5.78 inches |
| Depth | 5.79 inches | 4.00 inches | 4 in | 4.00 inches | 8.74 inches |
| Weight | 1.80 lbs | 2.2 lbs | 2.2 lbs | 2.2 lbs | 3.5 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.
Dependable SATA midline drive suited for backups and file storage.
Consistent speeds and quiet operation in production.
Good capacity upgrade without surprises.
Stable performance for non critical workloads.
Reliable everyday HDD.
The HPE 861750-B21 offers 6 TB of raw storage capacity, ideal for high-density data environments.
This drive uses a SATA 6 Gb/s interface for reliable, high-speed data transfers.
The HDD spins at 7,200 RPM, balancing performance and power efficiency for midline workloads.
It features a 3.5-inch (LFF) form factor, compatible with standard server and storage enclosures.
Yes, the drive supports hot-swap operation, enabling replacement without system downtime.
This HDD comes with a one-year limited hardware warranty backed by HPE support.
It uses 512e sector emulation, offering compatibility with legacy and modern storage systems.
The drive is validated for HPE ProLiant Gen9/Gen10 servers and DL/ML storage enclosures.
The drive has a mean time between failures (MTBF) of 1.4 million hours.
It’s optimized for nearline archival, backup, secondary storage and capacity-driven workloads.
Midline HDDs prioritize capacity and cost efficiency over the higher IOPS and durability of enterprise models.
It delivers up to 188 MB/s sustained sequential transfers for bulk data movement.
Yes, it is fully compatible with HPE Smart Array controllers for RAID 0, 1, 5, 6, 10 and 50.
With 7,200 RPM and optimized internal caching, it balances performance with low power consumption.
Slide the drive into a compatible 3.5″ bay, secure the carrier latch, and verify recognition via your server’s iLO or RAID utility.
United States
