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Write-intensive SAS SSD with strong endurance.
P04545-B21
HP 1.6TB 2.5-INCH SFF SAS WI 12GB/S_X000D_ DS SSD_X000D_
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Name:
P04545-B21
- Description:
- HP 1.6TB 2.5-INCH SFF SAS WI 12GB/S_X000D_ DS SSD_X000D_
- Rating:
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- Brand:
- Hpe
- Condition:
- Warranty:
- 3
- List Price:
$6,702.17
- Price:
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1
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P04545-B21 Overview
P04545-B21 is a high-performance HDD engineered for demanding environments. It features a 3.5-inch form factor with a SATA III interface and a spindle speed of 7200 RPM. The drive offers a robust 4 TB capacity paired with a 256 MB cache and is built to deliver a solid annual workload rating of 550 TB/yr, an MTBF of 1,000,000 hours, and is rated for continuous operation at 8,760 hours per year. Its design targets reliability, making it ideal for desktop, server, NAS, and surveillance applications.
This model is optimized for diverse use cases including data centers, desktops, NAS systems, and surveillance setups. It provides efficient power consumption with 8.5 Watts during read/write operations and 6.3 Watts in idle mode. Enhanced with features like dual actuator technology and vibration protection, the drive meets the rigorous demands of high-performance environments while ensuring long-term data integrity.
P04545-B21 price is $2,412.79, a 64% saving from the Hpe list price of $6,702.17. P04545-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for P04545-B21 for additional pricing. Browse the full Hpe Server 2.5" Hard Drives series or explore all Hpe products.
P04545-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
- 4 TB
- Spindle Speed (RPM)
- 7200 RPM
- Cache (Buffer Size)
- 256 MB
- Average Latency
- N/A
- Data Transfer Rate
- Up to 210 MB/s
- Annual Workload Rating
- 550 TB/yr
- Power Consumption (Read/Write)
- 8.5 Watts
- Power Consumption (Idle)
- 6.3 Watts
- Encryption Support
- AES 256-bit
- Helium Sealed
- Helium-Sealed
- Drive Bays Supported
- Single
- Vibration Protection
- Yes
- Advanced Features
- Dual Actuator
- Operating Temperature
- 5–55°C
- Product Name
- P04545-B21
- Height
- 1.03 inches
- Width
- 4.00 inches
- Depth
- 5.79 inches
- Weight
- 1.50 lbs
P04545-B21 Use Case
High-Performance OLTP Acceleration for Financial Trading Platforms
In a global trading firm, the P04545-B21-HP 1.6TB 2.5-inch SFF SAS WI 12 Gb/s DS SSD is deployed as the primary storage tier for the firm’s online transaction processing (OLTP) database cluster. By delivering sub-500µs latency and over 200K sustained IOPS per drive, this SSD accelerates order execution and real-time risk calculations. Outcome: 50% faster trade confirmation times, 30% reduction in transaction-processing bottlenecks and enhanced regulatory compliance through consistent low-latency performance.
Enterprise Virtualization Consolidation in Data Centers
A Fortune 500 enterprise implements the P04545-B21-HP 1.6TB SAS WI 12 Gb/s DS SSD across its hyperconverged infrastructure to host hundreds of VMware and Hyper-V virtual machines. The high density 2.5-inch SFF form factor and dual-port SAS deliver 12 Gb/s throughput for concurrent VM workloads. Outcome: 40% increase in VM density per chassis, 25% lower storage TCO and deterministic I/O performance that ensures consistent end-user experience during peak business hours.
Real-Time Analytics for E-Commerce Data Warehousing
An omnichannel retailer integrates P04545-B21-HP 1.6TB SAS WI 12 Gb/s DS SSDs into its Hadoop and SAP HANA clusters to support ad-hoc queries on customer behavior and inventory metrics. These SSDs provide the sustained bandwidth and random-read performance needed for sub-second query responses. Outcome: 70% faster report generation, actionable insights delivered in real time and a 20% uptick in conversion rates during flash sales.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| P04545-B21 |  P00896-B21 |  756657-B21 |  877782-B21 |  Q6M00A | |
|---|---|---|---|---|---|
| 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 | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III | SATA III | SATA III | SATA III | SATA III / SAS 12Gb/s |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 4 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 | 256 MB | 128 MB | 256 MB | 256 MB |
| Average Latency | N/A | N/A | N/A | N/A | N/A |
| 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 |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 180 TB/yr | 300 TB/yr | 180 TB/yr |
| Power Consumption (Read/Write) | 8.5 Watts | 7.5 Watts | 8.0 Watts | 8.5 Watts | 8 Watts |
| Power Consumption (Idle) | 6.3 Watts | 4.5 Watts | 5.0 Watts | 6.5 Watts | 5 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit | No |
| Helium Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed |
| Drive Bays Supported | Single | 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 | 5–55°C | 5–60°C | 5–55°C | 5–55°C | 5–55°C |
| Product Name | P04545-B21 | P00896-B21 Enterprise HDD | 756657-B21 High Performance Desktop HDD | 877782-B21 High Efficiency Enterprise HDD | Q6M00A Enterprise HDD |
| Height | 1.03 inches | 1.03 inches | 1.03 inches | 1 inches | 1.03 inches |
| Width | 4.00 inches | 5.79 inches | 5.79 inches | 5.79 inches | 5.79 inches |
| Depth | 5.79 inches | 4.00 inches | 4.00 inches | 8.74 inches | 8.26 inches |
| Weight | 1.50 lbs | 2.50 lbs | 1.50 lbs | 1.8 lbs | 1.76 lbs |
Reviews & Ratings
M
Mujtaba Ali
4
Handles sustained writes without throttling.
P
Petra Lindholm
5
Very responsive under load.
A
Asim Latif
4
Reliable for database workloads.
N
Neil Bowman
5
Consistent WI performance throughout.
Questions & Answers
What is the storage capacity of the HP P04545-B21 SSD?
The HP P04545-B21 SSD (SKU P04545-B21) provides 1.6 TB of raw storage capacity in a compact 2.5-inch form factor.
Which interface and throughput does the HP P04545-B21 SSD support?
This drive uses a dual-port 12 Gb/s SAS interface, delivering enterprise-class bandwidth and redundancy.
What form factor is the HP P04545-B21 SSD?
The P04545-B21 SSD features a 2.5-inch small form factor (SFF), compatible with standard server and storage chassis.
Which HP servers and storage systems are compatible with the P04545-B21 SSD?
The P04545-B21 is validated for HP ProLiant Gen9/Gen10 servers, BladeSystem enclosures and HP 3PAR StoreServ arrays with SAS support.