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Write-intensive SAS SSD handled heavy write cycles well.
802578-B21
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HP 200GB 12G SAS WRITE INTENSIVE SFF 2.5-IN SC SOLID
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802578-B21
- Description:
- HP 200GB 12G SAS WRITE INTENSIVE SFF 2.5-IN SC SOLID
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802578-B21 Overview
802578-B21 is a high-performance HDD engineered for demanding enterprise applications with a 3.5-inch form factor and a SATA III interface. It delivers a spindle speed of 7200 RPM and a robust storage capacity of 8 TB, complemented by a 256 MB cache. The drive is designed to handle heavy data loads with an annual workload rating of 300 TB/yr, and it boasts an MTBF of 1,200,000 hours with reliability rated for continuous operation.
Featuring advanced design elements such as helium-sealed construction, vibration protection, and Dual Actuator technology, 802578-B21 offers efficient power consumption with 8.5 Watts during read/write operations and 6.7 Watts when idle. This versatile drive is ideally suited for a variety of use cases including data centers, desktops, NAS systems, and surveillance applications.
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Request bulk order quote for 802578-B21 for additional pricing. Browse the full Hpe Server 2.5" Hard Drives series or explore all Hpe products.
802578-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
- 300 TB/yr
- Power Consumption (Read/Write)
- 8.5 Watts
- Power Consumption (Idle)
- 6.7 Watts
- Encryption Support
- AES 256-bit
- Helium Sealed
- Helium-Sealed
- Drive Bays Supported
- Multi-bay
- Vibration Protection
- Yes
- Advanced Features
- Dual Actuator
- Operating Temperature
- 5–60°C
- Product Name
- 802578-B21 Enterprise HDD
- Height
- 1.03 inches
- Width
- 4.00 inches
- Depth
- 5.78 inches
- Weight
- 1.38 lbs
802578-B21 Use Case
Accelerating Financial Transaction Logging in Core Banking Systems
In a global banking environment processing thousands of transactions per second, deploying the HP 802578-B21 200GB 12G SAS write-intensive SFF 2.5-in SC SSD for transaction log volumes ensures sub-millisecond write latency, seamless RAID integration and predictable I/O performance. Benefit: Dramatically reduced end-of-day reconciliation time and improved regulatory compliance through fast, consistent log writes and minimized data-loss windows.
Optimizing VDI Boot Storms in Enterprise Desktop Virtualization
An enterprise IT department supporting 1,500 virtual desktops implements the HP 802578-B21 SSD on boot‐volume tiers to handle simultaneous login spikes. The drive’s sustained write throughput and 12G SAS interface eliminate I/O bottlenecks during “boot storms.” Benefit: 50% reduction in login times, higher user satisfaction, and lower help-desk overhead by delivering consistent performance under peak loads.
High-Throughput ETL Staging in Big Data Analytics Clusters
A data analytics firm uses the HP 802578-B21 200GB write-intensive SSD in Hadoop staging nodes to absorb millions of small-file writes from IoT sensors before batch processing. The drive’s enterprise-grade endurance (DWPD) and low latency optimize ETL workflows. Benefit: Faster data ingestion, shortened time-to-insight for analytic models, and extended drive life even under sustained write workloads.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 802578-B21 |  Q1J36A |  785069-B21 |  Q8S85A |  832514-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 | 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 | 10 TB | 4 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 128 MB | 256 MB | 256 MB | 128 MB |
| Average Latency | N/A | N/A | 4.16 ms | N/A | N/A |
| Data Transfer Rate | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 300 TB/yr | 180 TB/yr | 180 TB/yr | 550 TB/yr | 300 TB/yr |
| Power Consumption (Read/Write) | 8.5 Watts | 8 Watts | 8.5 Watts | N/A | 8 Watts |
| Power Consumption (Idle) | 6.7 Watts | 5 Watts | 5.0 Watts | N/A | 3.5 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 | Rotational Vibration Sensors | Dual Actuator | Dual Actuator |
| Operating Temperature | 5–60°C | 5–60°C | 5–55°C | 5–60°C | 5–55°C |
| Product Name | 802578-B21 Enterprise HDD | Q1J36A Enterprise HDD | 785069-B21 Enterprise Helium Sealed HDD | Q8S85A Enterprise Helium HDD | 832514-B21 Official HDD |
| Height | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches | 1.04 inches |
| Width | 4.00 inches | 5.79 inches | 4.00 inches | 4.00 inches | 5.79 inches |
| Depth | 5.78 inches | 7.88 inches | 5.79 inches | 5.79 inches | 4.00 inches |
| Weight | 1.38 lbs | 2.1 lbs | 1.8 lbs | 1.80 lbs | 1.65 lbs |
Reviews & Ratings
N
Nida Parveen
5
Consistent performance for logging workloads.
K
Krzysztof Wrona
5
Predictable latency under stress.
F
Fahad Iqbal
5
Stable and dependable in production.
V
Victor Lane
4
Strong WI SAS option.
Questions & Answers
What is the storage capacity of the HP 802578-B21 SSD?
The HP 802578-B21 SSD offers 200 GB of usable storage capacity in a compact 2.5-inch form factor.
Which interface does the HP 200GB 12G SAS SSD use?
This drive uses a 12 Gb/s SAS (Serial Attached SCSI) interface for high-performance enterprise storage connectivity.
What does 'write intensive' classification mean for this SSD?
‘Write intensive’ indicates the SSD is optimized for workloads with high sequential and random write demands, delivering up to 10 drive-writes per day (DWPD).
What form factor does the HP 802578-B21 SSD have?
The SSD is a small form factor (SFF) 2.5-inch drive with single-port SAS connectors, compatible with most enterprise servers.