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861590-B21
HPE 8TB SAS 12G Midline 7.2K LFF (3.5in) SC 1yr Wty Helium 5...
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.
861590-B21 is a high-performance HDD with a robust 7200 RPM spindle speed and a 2 TB storage capacity, providing a 128 MB cache that ensures smooth data handling. Designed as a 3.5-inch drive with a SAS 12Gb/s interface, it meets the demands of enterprise storage, data centers, desktops, NAS, and surveillance applications with exceptional reliability and efficiency.
Engineered for continuous operation with a rated 8,760 hours per year and an impressive MTBF of 2,000,000 hours, 861590-B21 features optimized power consumption (8.0 Watts during read/write and 5.0 Watts when idle) along with advanced helium-sealed technology, built-in vibration protection, and dual actuator technology. These capabilities make it an ideal solution for high-demand environments requiring consistent performance and durability.
861590-B21 price is $404.77, a 72% saving from the Hpe list price of $1,445.64. 861590-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 861590-B21 for additional pricing. Browse the full Hpe Server 3.5" Hard Drives series or explore all Hpe products.
A mid-sized financial services firm deploys eight HPE 861590-B21 8 TB SAS 12 G Midline HDDs in an HPE ProLiant Gen9 storage array to host nightly full-system backups and offsite replication. By leveraging 12 Gb/s SAS throughput and helium-filled platters, the solution reduces backup windows by 40%, cuts power consumption by 30%, and delivers enterprise-grade reliability with digitally signed firmware to meet stringent RTO/RPO SLAs.
An education provider consolidates 200 VMware Horizon desktops on ProLiant Gen8 servers using HPE 861590-B21 drives in an MSA 2050 SAN. The 8 TB capacity per drive and 7.2 K RPM midline performance ensure smooth login storms and steady IOPS, while helium technology lowers cooling costs. The result: a 50% reduction in storage footprint, consistent user experience under peak load, and simplified management with HPE firmware security.
A retail chain upgrades its IP-camera archive on Gen9 servers with HPE 861590-B21 8 TB SAS HDDs to store high-resolution footage for 90 days. The high-capacity, sequential-optimized design supports continuous write streams, and 512e sector formatting maximizes usable space. Outcome: uninterrupted 24/7 recording, 20% lower rack-level power draw, and full compliance with audit requirements through digitally signed firmware verification.
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| 861590-B21 |  858594-B21 |  875488-B21 |  804590-B21 |  819201-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 | Enterprise Storage |
| Interface | SAS 12Gb/s | SATA III | SATA III | SAS 12Gb/s | SAS 12Gb/s |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 2 TB | 8 TB | 4 TB | 8 TB | 12 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 128 MB | 256 MB | 64 MB | 256 MB | 256 MB |
| Data Transfer Rate | Up to 210 MB/s | Up to 210 MB/s | Up to 210 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 180 TB/yr | 550 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8.0 Watts | 8.5 Watts | 8 Watts | 8 Watts | 9.0 Watts |
| Power Consumption (Idle) | 5.0 Watts | 5.5 Watts | 5 Watts | 5 Watts | 6.0 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit |
| Helium Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed |
| Drive Bays Supported | Multi-bay | Multi-bay | Multi-bay | Single | 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 | 5–55°C | 5–60°C | 5–60°C | 5–60°C |
| Product Name | 861590-B21 2TB Enterprise HDD | 858594-B21 Enterprise HDD | 875488-B21 Enterprise HDD | 804590-B21 Enterprise HDD | Seagate Exos Enterprise 12TB 819201-B21 SAS HDD |
| Height | 1.03 inches | 1.030 inches | 1.03 inches | 1.03 inches | 1.03 inches |
| Width | 4.00 inches | 4.010 inches | 4 inches | 5.79 inches | 5.79 inches |
| Depth | 5.79 inches | 5.789 inches | 5.79 inches | 7.25 inches | 4.02 inches |
| Weight | 1.5 lbs | 2.20 lbs | 1.5 lbs | 2.0 lbs | 3.3 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.
SATA midline drive suited non critical workloads well.
Good capacity and stable performance.
OEM part fit perfectly.
Reliable for backups.
Dependable HDD.
The HPE 861590-B21 offers 8 TB capacity in a 3.5-inch large form factor (LFF).
It uses a dual-port SAS 12 Gb/s interface for high-throughput connectivity.
It spins at 7,200 RPM to balance performance and power consumption.
Helium reduces internal friction, lowers power use, cuts noise and minimizes vibration.
512e uses 4 KB physical sectors with 512-byte emulation for broad OS and application compatibility.
Digitally signed firmware guarantees authenticity and prevents unauthorized modifications.
It’s validated for ProLiant Gen8, Gen9 and newer rack, tower and storage servers.
Yes. Its dual-port SAS design and HPE firmware optimize performance in RAID arrays.
The drive comes with a 1-year limited warranty on parts and labor.
Yes. It’s hot-plug capable in any compatible HPE SAS drive bay.
It’s optimized for nearline storage, backups, archives and secondary-tier workloads.
It’s rated up to 2 million hours MTBF for enterprise-class reliability.
No. It ships with HPE-signed firmware and requires no extra downloads.
Insert it into an empty HPE SAS tray, engage the latches, and the server auto-detects the drive.
It consumes under 10 W active power and relies on standard server airflow for cooling.
United States
