United States
Name:
804665-B21
- Description:
- HPE 400GB SATA 6G Write Intensive SFF (2.5in) SC 3yr Warranty SSD For Use with Gen8 Servers and Beyond
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3 Year Extended Warranty
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14-Day Money Back Guarantee
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Express Delivery Across the USA
Need it fast? Choose Express Shipping and receive your order within 1–3 business days.
Free Ground Shipping Available
Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.
International Shipments Made Simple
For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
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
804665-B21 Overview
804665-B21 is a high-performance HDD engineered for demanding enterprise applications, featuring a 3.5-inch form factor and a robust SATA III interface. It operates at 7200 RPM, offers a generous 4 TB storage capacity with a 256 MB cache, and is rated for an annual workload of 550 TB/yr, ensuring dependable reliability in environments where rated operational hours are critical.
The drive is optimized for a wide range of use cases including data centers, desktops, NAS, and surveillance systems. With advanced features such as helium-sealing, built-in vibration protection, and a dual actuator setup, 804665-B21 delivers efficient power consumption (9 Watts read/write and 7 Watts idle) while maintaining an operating temperature of 5–55°C, making it an ideal choice for high-demand, continuous-use scenarios.
What is the price of 804665-B21?
Pricing for 804665-B21 is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for 804665-B21.
Explore more options from Hard Drives & Ssds or explore other Hpe products.
804665-B21 Specifications
| Product Type | Hard Drive |
| Drive Type | HDD |
| Use Case | Desktop / Server / NAS / Surveillance |
| Interface | SATA III |
| Form Factor | 3.5-inch |
| Storage Capacity | 4 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 | 550 TB/yr |
| Power Consumption (Read/Write) | 9 Watts |
| Power Consumption (Idle) | 7 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 | 804665-B21 Enterprise HDD |
| Height | 1.03 inches |
| Width | 5.79 inches |
| Depth | 4.01 inches |
| Weight | 1.4 lbs |
804665-B21 Use Case
High-Velocity Transactional Databases in Retail Environments
Deploy the 804665-B21 HPE 400GB SATA 6G Write Intensive SFF (2.5in) SC 3yr Warranty SSD in Gen8 servers powering point-of-sale and inventory management databases. By leveraging sustained write IOPS of up to 27K and sub-millisecond latency, retail enterprises achieve real-time stock updates, accelerate checkout throughput by 45%, and maintain 99.99% transaction integrity—delivering seamless customer experiences during peak shopping periods.
Enterprise Virtual Desktop Infrastructure (VDI) Performance Boost
Integrate the 804665-B21 HPE 400GB SATA 6G Write Intensive SSD into Gen8-based hypervisor clusters supporting 1,000+ simultaneous virtual desktops. The high endurance (DWPD 3.65) and consistent write performance reduce boot-storm times by 60%, enable rapid profile loading, and cut VDI storage latency by 80 ms—resulting in a more responsive user environment, simplified IT management, and a 30% reduction in storage TCO.
Real-Time Log Aggregation and Analytics for DevOps Pipelines
Use the 804665-B21 HPE 400GB SATA 6G Write Intensive SSD in Gen8 server arrays dedicated to centralized log ingestion and analytics. Thanks to its write-optimized architecture and sustained 6 Gb/s throughput, DevOps teams process high-volume application logs in real time, accelerating root-cause analysis by 50%, improving anomaly detection, and ensuring compliance reporting meets sub-minute SLAs—boosting operational agility and reducing incident MTTR.
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 | 550 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr |
| Average Latency | N/A | 4.16 ms | N/A | N/A | N/A |
| Cache (Buffer Size) | 256 MB | 128 MB | 256 MB | 256 MB | 256 MB |
| Data Transfer Rate | Up to 210 MB/s | Up to 210 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Depth | 4.00 inches | 4.00 inches | 7.36 inches | 4.01 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 | 3.5-inch | 3.5-inch | 3.5-inch |
| Height | 1.03 inches | 1.00 inches | 1.03 inches | 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 | SAS 12Gb/s |
| Operating Temperature | 5–60°C | 0–60°C | 5–55°C | 5–55°C | 5–60°C |
| Power Consumption (Idle) | 4.5 Watts | 6.0 Watts | 5 Watts | 7 Watts | 4.5 Watts |
| Power Consumption (Read/Write) | 7.5 Watts | 8.0 Watts | 10 Watts | 9 Watts | 7.2 Watts |
| Product Name | P00896-B21 Enterprise HDD | P04527-B21 Enterprise Helium-Sealed 4TB HDD | 846432-B21 | 804665-B21 Enterprise HDD | 804625-B21 Enterprise 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 | 6 TB | 4 TB | 4 TB |
| 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 |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Weight | 2.50 lbs | 1.80 lbs | 2.1 lbs | 1.4 lbs | 2.2 lbs |
| Width | 5.79 inches | 5.80 inches | 5.78 inches | 5.79 inches | 5.79 inches |
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Questions & Answers
Q
What are the key features of the HPE 400GB SATA 6G Write Intensive SFF SSD (804665-B21)?
A
The HPE 400GB SATA 6G Write Intensive SFF SSD delivers 6 Gb/s SATA interface speeds, up to 535 MB/s sequential read, 450 MB/s sequential write, 10 DWPD endurance, and a 3-year warranty for Gen8 servers and beyond.
Q
Which HPE servers are compatible with SKU 804665-B21?
A
The 804665-B21 SSD is compatible with HPE ProLiant Gen8, Gen9, Gen10 and later servers featuring 2.5-inch drive bays and SATA 6 Gb/s support.
Q
What level of performance can I expect from this write-intensive SSD?
A
This SSD delivers up to 535 MB/s sequential read, 450 MB/s sequential write and up to 80 K random read/write IOPS for demanding write-intensive workloads.
Q
What is the endurance rating of the HPE 400GB SATA 6G Write Intensive SSD?
A
With a 10 Drive Writes Per Day (DWPD) rating over a 3-year period, this SSD supports sustained write-intensive operations.
Q
How long is the warranty on the HPE 400GB SATA 6G Write Intensive SFF SSD?
A
HPE provides a 3-year limited warranty covering parts and labor, ensuring dependable service for critical applications.
Q
What interface does the 804665-B21 SSD use?
A
The SSD uses a standard SATA 6 Gb/s (SATA III) interface, compatible with most HPE 2.5-inch drive bays.
Q
What form factor and capacity does this SSD offer?
A
This drive is a small-form-factor (SFF) 2.5-inch SSD with 400 GB usable capacity, ideal for high-density server configurations.
Q
Can I install this SSD in a RAID configuration?
A
Yes, the HPE 400GB SATA 6G Write Intensive SSD supports RAID 0, 1, 5, 6, 10 and 50 when used with HPE Smart Array controllers.
Q
How do I install the 804665-B21 SSD in an HPE Gen8 server?
A
Power down the server, slide the SSD into an available 2.5-inch SATA bay, secure the drive carrier, then power up and configure in the Smart Array controller BIOS.
Q
Which operating systems are supported by this HPE SSD?
A
This SSD is certified for HPE ProLiant servers running Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server and VMware ESXi.
Q
Does the HPE 400GB SATA 6G SSD include power-loss data protection?
A
Yes, the drive features on-board power-loss protection capacitors to flush data from DRAM to NAND in the event of unexpected power failure.
Q
How can I monitor the health of my HPE 804665-B21 SSD?
A
Use HPE Smart Storage Administrator or HPE Integrated Lights-Out (iLO) to view SMART attributes, wear leveling, and remaining lifespan.
Q
What is the difference between write-intensive and read-intensive SSDs?
A
Write-intensive SSDs like the 804665-B21 are optimized for high write endurance (10 DWPD) while read-intensive drives focus on lower write workloads (0.5–1 DWPD).
Q
How do I troubleshoot performance issues with this SSD?
A
Verify firmware is current, check SMART status with HPE SSA, confirm SATA link speed, and ensure adequate cooling within the drive bay.
Q
Where can I purchase the HPE 400GB SATA 6G Write Intensive SFF SSD (804665-B21)?
A
You can order this SSD through HPE authorized resellers, the HPE Parts Store or certified distribution partners for immediate delivery.
