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Reliable SATA RI SSD for enterprise servers.
875509-B21
HP 480GB SATA 6G RI SFF 2.5 IN SC DS FIRMWARESSD
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Name:
875509-B21
- Description:
- HP 480GB SATA 6G RI SFF 2.5 IN SC DS FIRMWARESSD
- Rating:
Added to cart 28 times recently
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- Brand:
- Hpe
- Condition:
- Warranty:
- 3
- List Price:
$707.15
- Price:
$473.7933% off
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1
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875509-B21 Overview
875509-B21 is an HDD engineered in a 3.5-inch form factor with a SATA III interface, spinning at 7200 RPM to deliver an 8 TB storage capacity complemented by a 256 MB buffer. It is designed for rigorous enterprise environments, boasting an annual workload rating of 550 TB/yr, and built with reliability for rated 24/7 operations while offering power consumption of 8.5 Watts during read/write operations.
This drive is optimized for server, NAS, and surveillance use cases, featuring advanced design benefits such as a helium-sealed construction, vibration protection, and dual actuator technology. With proven dependability and certifications for continuous operation, 875509-B21 is ideal for data centers, desktop applications, and mission-critical storage deployments.
875509-B21 price is $473.79, a 33% saving from the Hpe list price of $707.15. 875509-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 875509-B21 for additional pricing. Browse the full Hpe Server 2.5" Hard Drives series or explore all Hpe products.
875509-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
- 550 TB/yr
- Power Consumption (Read/Write)
- 8.5 Watts
- Power Consumption (Idle)
- 5.0 Watts
- Encryption Support
- AES 256-bit
- Helium Sealed
- Helium-Sealed
- Drive Bays Supported
- Multi-bay
- Vibration Protection
- Yes
- Advanced Features
- Dual Actuator
- Operating Temperature
- 5–60°C
- Product Name
- Seagate Enterprise Capacity 8TB 3.5-Inch SATA III HDD 875509-B21
- Height
- 1.03 inches
- Width
- 5.79 inches
- Depth
- 4.00 inches
- Weight
- 1.5 lbs
875509-B21 Use Case
High-Performance Virtual Desktop Infrastructure Acceleration
In a global financial services firm deploying 800+ virtual desktops, the 875509-B21-HP 480GB SATA 6G RI SFF 2.5″ SC DS FIRMWARESSD delivers sustained 75K IOPS at sub-500µs latency to eliminate VDI boot storms. By integrating this drive into HP ProLiant DL servers, IT teams achieved 40% faster user logins, 30% higher session density, and a 25% reduction in storage‐related helpdesk tickets—driving measurable ROI and elevated end-user experience.
Accelerated OLTP Database Transactions for E-Commerce
An online retailer running Microsoft SQL Server on HP DL380 Gen10 reduced query response times from 12ms to 2ms by leveraging the 875509-B21-HP 480GB SATA 6G RI SFF 2.5″ SC DS FIRMWARESSD. This SSD’s consistent low-latency writes and enhanced firmware reliability supported a 50% increase in peak transaction throughput, cut order-processing bottlenecks, and enabled real-time inventory updates—boosting customer satisfaction and driving up to 20% revenue growth during promotional events.
Branch Office File-Server Acceleration and Business Continuity
A global manufacturing company equipped 50 remote offices with HP ProLiant MicroServers and the 875509-B21-HP 480GB SATA 6G RI SFF 2.5″ SC DS FIRMWARESSD as local cache for centralized NAS. The SSD’s enterprise-grade endurance and 6Gb/s throughput cut file-access times by 60%, lowered WAN bandwidth costs, and maintained uninterrupted operations during network outages. This solution strengthened data resilience, simplified IT management, and delivered a 3-month payback through reduced network and support expenses.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 875509-B21 |  765455-B21 |  748387-B21 |  653957-001 |  P04517-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 | 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 | 8 TB | 4 TB | 4 TB | 8 TB | 4 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 128 MB | 128 MB | 256 MB | 256 MB |
| Average Latency | N/A | N/A | N/A | N/A | N/A |
| Data Transfer Rate | Up to 250 MB/s | Up to 250 MB/s | Up to 210 MB/s | Up to 250 MB/s | Up to 210 MB/s |
| Annual Workload Rating | 550 TB/yr | 180 TB/yr | 550 TB/yr | 300 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8.5 Watts | 8 Watts | 8.5 Watts | 8 Watts | 8 Watts |
| Power Consumption (Idle) | 5.0 Watts | 4 Watts | 5 Watts | 5 Watts | 5 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 | 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 | 5–55°C | 5–60°C | 5–60°C |
| Product Name | Seagate Enterprise Capacity 8TB 3.5-Inch SATA III HDD 875509-B21 | 765455-B21 | 748387-B21 Enterprise 4TB HDD | 653957-001 Enterprise HDD | P04517-B21 High Performance Enterprise HDD |
| Height | 1.03 inches | 1.03 inches | 1.030 inches | 1.0 inches | 1.03 inches |
| Width | 5.79 inches | 4 inches | 5.787 inches | 4.0 inches | 5.77 inches |
| Depth | 4.00 inches | 5.79 inches | 4.016 inches | 5.8 inches | 8.00 inches |
| Weight | 1.5 lbs | 2.2 lbs | 2.2 lbs | 3.3 lbs | 1.65 lbs |
Reviews & Ratings
A
Ammar Rafi
4
Easy deployment and stable performance.
C
Clara Weiss
5
Consistent read speeds.
F
Farhan Sheikh
5
Good SSD for read-heavy applications.
M
Mark Ellison
5
Meets business storage needs.
Questions & Answers
What is the HP 875509-B21 SSD?
The HP 875509-B21 is a 480 GB SATA 6 Gb/s, 2.5-inch small form factor (SFF) enterprise SSD with enhanced firmware for high reliability and performance.
Which interface does the HP 875509-B21 use?
The drive uses a standard SATA 6 Gb/s interface, ensuring broad compatibility with servers and storage arrays supporting 2.5-inch SATA devices.
What form factor is the 875509-B21 SSD?
It features a 2.5-inch small form factor (SFF) design, optimized for HP ProLiant and other rack-mount servers.
What is the storage capacity of the HP 480 GB SATA SSD?
The SSD provides 480 GB of usable capacity, ideal for operating systems, databases, and virtualization workloads.
What are the sequential read and write speeds?
This SSD delivers up to 550 MB/s sequential read and up to 520 MB/s sequential write performance under sustained workloads.
Is the HP 875509-B21 SSD hot-swappable?
Yes, the 2.5-inch drive supports hot-swap capability in compatible HP ProLiant server drive bays.
Which servers support the HP 875509-B21 SSD?
It is certified for HP ProLiant Gen8, Gen9, Gen10 and selected HP Integrity servers with SATA drive caddies.
What workloads is this SSD optimized for?
The drive is tuned for mixed-use workloads including virtualization, databases, e-mail, and web-serving applications.
What firmware revision is installed on this SSD?
The drive ships with HP Smart Firmware optimized for data integrity, performance consistency and proactive health monitoring.
What is the MTBF rating of the HP 875509-B21?
The SSD is rated for a mean time between failures (MTBF) of 2 million hours.
What endurance rating does this SSD have?
It offers up to 1 drive write per day (DWPD) for a 5-year period, equating to approximately 876 TB total writes.
How do I install the HP 875509-B21 in my server?
Slide the drive into a vacant 2.5-inch SAS/SATA bay in an HP ProLiant caddy and secure it until the drive latch clicks.
Does the 875509-B21 support SATA revision 3.0?
Yes, it fully supports SATA revision 3.0 (6 Gb/s), providing backward compatibility with 3 Gb/s and 1.5 Gb/s ports.
What is the operating temperature range?
The SSD operates reliably between 0 °C and 60 °C (32 °F to 140 °F) when installed in proper airflow environments.
What warranty covers the HP 875509-B21 SSD?
HP provides a 5-year limited warranty that includes advance replacement and firmware updates.
How can I monitor the health of this SSD?
Use HP Smart Storage Administrator (SSA) or integrated Lights-Out (iLO) to view SMART attributes and drive health alerts.
How does this SATA SSD compare to SAS alternatives?
While SATA offers cost-effective capacity, SAS SSDs deliver lower latencies and higher IOPS; the HP 875509-B21 balances performance and value.