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Name:
804631-B21
- Description:
- HP 1.6TB 6G SATA MIXED USE-2 SFF 2.5-IN SC SOLID STATE DRIVE
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3 Year Extended Warranty
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Delivery Timelines
Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN
804631-B21 Overview
804631-B21 is a high-performance HDD engineered for enterprise storage and multi-bay environments. It features a 3.5-inch form factor, a SATA III interface, and a robust 7200 RPM spindle speed. With a generous 8 TB capacity and a 256 MB buffer, this drive is designed to handle rigorous workloads while delivering reliable, high-speed data transfer rates up to 250 MB/s.
Built for demanding server, NAS, and surveillance use cases, the drive supports an annual workload rating of 180 TB/yr and comes equipped with advanced dual actuator technology for improved performance under vibration. 804631-B21 is also optimized for energy efficiency with an 8.5 Watts read/write power consumption and 5 Watts in idle mode, making it an ideal choice for data centers and desktop setups requiring dependable, continuous operation.
What is the price of 804631-B21?
Pricing for 804631-B21 is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for 804631-B21.
Explore more options from Hard Drives & Ssds or explore other Hpe products.
804631-B21 Specifications
| Product Type | Hard Drive |
| Drive Type | HDD |
| Use Case | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III |
| Form Factor | 3.5-inch |
| Storage Capacity | 8 TB |
| Spindle Speed (RPM) | 7200 RPM |
| Cache (Buffer Size) | 256 MB |
| Average Latency | N/A |
| Data Transfer Rate | Up to 250 MB/s |
| Annual Workload Rating | 180 TB/yr |
| Power Consumption (Read/Write) | 8.5 Watts |
| Power Consumption (Idle) | 5 Watts |
| Encryption Support | AES 256-bit |
| Helium Sealed | Helium-Sealed |
| Drive Bays Supported | Multi-bay |
| Vibration Protection | Yes |
| Advanced Features | Dual Actuator |
| Operating Temperature | 5–55°C |
| Product Name | 804631-B21 |
| Height | 1.03 inches |
| Width | 4.0 inches |
| Depth | 5.8 inches |
| Weight | 1.5 lbs |
804631-B21 Use Case
Accelerating OLTP Workloads in Financial Services
In a 24/7 stock trading environment, the 804631-B21 HP 1.6TB 6G SATA Mixed Use-2 SFF 2.5″ SC SSD backs SQL Server clusters handling millions of daily transactions. Its 3 DWPD endurance and sustained 80K random IOPS at sub-millisecond latency ensure order-to-execution times shrink by 30%, maintain 99.99% uptime and deliver regulatory compliance with built-in AES-256 encryption.
Optimizing Enterprise Virtual Desktop Infrastructure (VDI)
For a global enterprise deploying 2,000 remote desktops on VMware vSAN, the 1.6TB 6G SATA Mixed Use-2 SSD provides 70K+ sustained IOPS and consistent sub-0.5 ms response. The drive’s high endurance and power-loss protection cut boot-storm delays in half, boost end-user productivity by 25% and lower rack density by consolidating storage bays.
Powering Edge AI Inference in Telecom Micro Data Centers
At telecom base stations running real-time edge analytics, the HP 804631-B21 SSD ingests and persists sensor data streams from 100+ IoT endpoints. Its robust Mixed Use-2 design and industrial-temperature rating deliver sub-millisecond access and 3 DWPD reliability, enabling continuous AI inference, reducing backhaul traffic by 40% and ensuring 24/7 service availability.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Advanced Features | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator |
| Annual Workload Rating | 300 TB/yr | 550 TB/yr | 550 TB/yr | 180 TB/yr | 180 TB/yr |
| Average Latency | 4.17 ms | N/A | N/A | N/A | N/A |
| Cache (Buffer Size) | 128 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Data Transfer Rate | Up to 250 MB/s | Up to 210 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Depth | 4.01 inches | 8.00 inches | 4 in | 5.8 inches | 4.00 inches |
| Drive Bays Supported | Multi-bay | Multi-bay | Multi-bay | Multi-bay | Multi-bay |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit |
| Form Factor | 3.5-inch | 3.5-inch | 2.5-inch / 3.5-inch | 3.5-inch | 3.5-inch |
| Height | 1.03 inches | 1.03 inches | 1 in | 1.03 inches | 1.03 inches |
| Helium Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed |
| Interface | SATA III | SATA III | SATA III | SATA III | SATA III |
| Operating Temperature | 0–60°C | 5–60°C | 5–60°C | 5–55°C | 5–55°C |
| Power Consumption (Idle) | 5 Watts | 5 Watts | 5 Watts | 5 Watts | 5 Watts |
| Power Consumption (Read/Write) | 10 Watts | 8 Watts | 8 Watts | 8.5 Watts | 8 Watts |
| Product Name | 881457-B21 | P04517-B21 High Performance Enterprise HDD | K2P91A Enterprise HDD | 804631-B21 | 804599-B21 High Performance Helium-Sealed HDD |
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Storage Capacity | 4 TB | 4 TB | 10 TB | 8 TB | 4 TB |
| Use Case | 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 |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Weight | 1.75 lbs | 1.65 lbs | 1.5 lbs | 1.5 lbs | 2.20 lbs |
| Width | 5.79 inches | 5.77 inches | 5.8 in | 4.0 inches | 5.79 inches |
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Questions & Answers
Q
What is the storage capacity of the HP 804631-B21 SSD?
A
The HP 804631-B21 provides 1.6 TB of usable solid-state storage, ideal for high-density data and application workloads.
Q
Which interface does the HP 804631-B21 use?
A
It connects via a 6 Gb/s SATA interface for broad compatibility with enterprise server and storage platforms.
Q
What form factor is the HP 804631-B21 SSD?
A
This drive is a 2.5-inch small form factor (SFF) solid-state drive, designed for modern rack and blade servers.
Q
What performance levels can I expect from the HP 804631-B21?
A
It delivers up to 530 MB/s sequential read, 490 MB/s sequential write, up to 100,000 IOPS random read and 35,000 IOPS random write.
Q
What endurance rating does this SSD offer?
A
It is rated for 5 Drive Writes per Day (DWPD) over a five-year period, equivalent to up to 2,900 TB total bytes written.
Q
Is the HP 804631-B21 optimized for mixed-use workloads?
A
Yes. The Mixed Use-2 classification balances read/write performance for virtualization, databases and general-purpose applications.
Q
Does the HP 804631-B21 support self-encryption?
A
Yes. It is a self-encrypting drive (SED) with hardware-based data protection enabled by default.
Q
Which encryption standards are supported?
A
It supports AES 256-bit full-disk encryption, TCG Opal 2.0 and is FIPS 140-2 Level 2 validated.
Q
Which servers is the HP 804631-B21 compatible with?
A
It is certified for HP ProLiant Gen8, Gen9 and Gen10 servers and other platforms supporting 2.5″ SATA SFF drives.
Q
What is the MTBF (Mean Time Between Failures) rating?
A
The drive is rated for a 2 million-hour MTBF at 25 °C, ensuring enterprise-class reliability.
Q
What is the operating temperature range?
A
It operates reliably between 0 °C and 60 °C ambient temperature.
Q
Does HP provide a warranty for the 804631-B21 SSD?
A
Yes. HP offers a standard five-year limited warranty covering defects in materials and workmanship.
Q
How do I install the HP 804631-B21 in my server?
A
Simply hot-plug the drive into a compatible 2.5″ SATA bay or caddy; no additional drivers or configuration are required.
Q
Can I use this SSD in RAID configurations?
A
Yes. It is fully compatible with HP Smart Array controllers for RAID 0, 1, 5, 6 and 10 configurations.
Q
What are the key benefits of the HP 804631-B21 SSD?
A
It delivers enterprise-grade performance, mixed-use endurance, self-encryption, low latency and industry-leading reliability.
Q
How does the Mixed Use-2 classification affect real-world performance?
A
Mixed Use-2 is engineered for balanced read/write workloads, improving performance consistency in virtualization, databases and OLTP applications.
