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Name:
P04521-B21
- Description:
- HP 3.84TB 12GB/S 2.5 SFF SAS RI_X000D_ PM5 DIGITALLY SIGNED (DS)
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$4,552.42
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$2,048.59
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Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
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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.
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Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
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In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
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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.
P04521-B21
HP 3.84TB 12GB/S 2.5 SFF SAS RI_X000D_ PM5 DIGITAL...
$4,552.42
$2,048.59
14 in Global Warehouse
$2,048.59
55% off
TRUSTED, TRIED, PROVEN
P04521-B21 Overview
P04521-B21 is a high-performance HDD engineered for demanding enterprise and server applications. It features a 3.5-inch form factor with a SATA III interface, a spindle speed of 7200 RPM, a robust 10 TB storage capacity, and a generous 256 MB cache. With an annual workload rating of 550 TB/yr and a rated reliability designed for continuous operation, this drive meets the rigorous MTBF standards expected in mission-critical environments.
Designed with advanced features such as a helium-sealed enclosure, built‑in vibration protection, and dual actuator technology, P04521-B21 is ideal for data centers, desktops, NAS, and surveillance systems. Its optimized power consumption for both read/write and idle states ensures efficiency in multi-bay installations while providing reliable performance under heavy workloads.
What is the price of P04521-B21?
Lowest price of P04521-B21 is $ 2,048.59. Shop now! Get further exclusive discounts with bulk quotation on P04521-B21
Explore more options from Hard Drives & Ssds or explore other Hpe products.
P04521-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 | 10 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 | P04521-B21 Enterprise HDD |
| Height | 1.03 inches |
| Width | 5.79 inches |
| Depth | 4.01 inches |
| Weight | 3.00 lbs |
P04521-B21 Use Case
High-Density Virtualization in Enterprise Data Centers
In a global data center consolidating 500+ VMware ESXi hosts, the P04521-B21-HP 3.84TB 12GB/S 2.5 SFF SAS RI_X000D_ PM5 DIGITALLY SIGNED (DS) SSD delivers 250K sustained IOPS and sub-200µs latency, boosting VM density by 35% and cutting storage power consumption by 22%.
Low-Latency Trading and Financial Database Acceleration
A leading fintech firm deploys P04521-B21-HP 3.84TB 12GB/S 2.5 SFF SAS RI_X000D_ PM5 DIGITALLY SIGNED (DS) drives to accelerate Oracle OLTP queries to sub-millisecond response while ensuring firmware authenticity for compliance, yielding 50% faster trade execution and enhanced data security.
Real-Time AI/ML Data Pipeline Optimization for Industrial IoT
An industrial IoT provider leverages P04521-B21-HP 3.84TB 12GB/S 2.5 SFF SAS RI_X000D_ PM5 DIGITALLY SIGNED (DS) SSDs at edge nodes to ingest 2 TB/hour of sensor data, doubling ETL throughput and reducing ML training cycles by 40%, with built-in digital signature validation for uninterrupted operations.
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 | 180 TB/yr | 550 TB/yr | 300 TB/yr | 550 TB/yr |
| Average Latency | N/A | 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 210 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 210 MB/s |
| Depth | 4.016 inches | 4.00 inches | 4.01 inches | 5.8 inches | 4.02 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 | No | AES 256-bit | No | AES 256-bit |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch / 2.5-inch | 3.5-inch |
| Height | 1.030 inches | 1.03 inches | 1.03 inches | 1.0 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 | SATA III |
| Operating Temperature | 5–55°C | 5–60°C | 5–60°C | 5–60°C | 5–55°C |
| Power Consumption (Idle) | 5 Watts | 4 Watts | 5.0 Watts | 5 Watts | 4.5 Watts |
| Power Consumption (Read/Write) | 8.5 Watts | 8 Watts | 8.5 Watts | 8 Watts | 8.5 Watts |
| Product Name | 748387-B21 Enterprise 4TB HDD | P07922-B21 Enterprise HDD | P04521-B21 Enterprise HDD | P04564-B21 High Performance Enterprise HDD | 870763-B21 Enterprise Hard Drive |
| 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 | Enterprise Storage |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Weight | 2.2 lbs | 2.2 lbs | 3.00 lbs | 2.0 lbs | 1.2 lbs |
| Width | 5.787 inches | 5.79 inches | 5.79 inches | 4.0 inches | 5.79 inches |
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Questions & Answers
Q
What is the storage capacity of the HP PM5 SSD (SKU P04521-B21)?
A
The HP PM5 SSD (SKU P04521-B21) provides 3.84 TB of raw storage capacity.
Q
Which interface and data transfer rate does this HP PM5 SSD use?
A
It uses a dual-port 12 Gb/s SAS interface, supporting up to 12 Gbps sequential transfer speeds per port.
Q
What form factor is the HP 3.84 TB PM5 SSD?
A
The drive is a 2.5-inch Small Form Factor (SFF) SSD with standard SAS SFF-8643 connectors.
Q
What are the key performance specifications?
A
It delivers up to 2,100 MB/s sequential reads, 1,500 MB/s sequential writes, and up to 450,000 IOPS random reads.
Q
What workload type is this SSD optimized for?
A
It is optimized for read-intensive enterprise workloads such as databases, virtualization, and analytics.
Q
What endurance rating does the HP PM5 SSD offer?
A
The drive is rated at 1 Drive Write Per Day (DWPD) over a 5-year lifespan, equating to approximately 7 PB of total writes.
Q
What is the reliability specification (MTBF) for this SSD?
A
The HP PM5 SSD is rated at 2 million hours Mean Time Between Failures (MTBF) for enterprise-grade reliability.
Q
Does the drive support hot-swapping?
A
Yes, the SSD is hot-swap capable in compatible 2.5″ SAS backplanes and enclosures.
Q
What digital signature features are included?
A
It uses HPE Digitally Signed Firmware to verify code authenticity and prevent unauthorized modifications.
Q
Does the SSD support built-in hardware encryption?
A
This model does not include on-drive self-encrypting capabilities; encryption is managed by the host or controller.
Q
Which HPE servers and enclosures are compatible with this SSD?
A
It is compatible with HPE ProLiant Gen10/Gen10+ servers, Apollo systems, and any SAS-capable 2.5″ bay enclosure.
Q
How do I install and configure the HP PM5 SSD?
A
Install the drive into a compatible 2.5″ SAS caddy, insert into the server or array backplane, then configure via BIOS or RAID controller.
Q
How can I update the firmware on this SSD?
A
Firmware updates are provided through the HPE Service Pack for ProLiant (SPP) and can be applied via iLO or Smart Update Manager.
Q
How can I monitor health and performance of the SSD?
A
Use HPE InfoSight, Smart Array controllers, or industry-standard S.M.A.R.T. tools to monitor drive health, temperature, and performance metrics.
Q
What warranty and support options are available?
A
The SSD includes a 3-year limited warranty, with optional 4- and 5-year extensions available through HPE Care Pack Services.
Q
What are the power and thermal characteristics?
A
Active power consumption is approximately 9 W, idle power is around 4 W, and operating temperature ranges from 0 °C to 60 °C.
