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Good capacity SAS drive for enterprise storage pools.
K2P87B
HP DR 4TB HDD SAS 7.2K LFF
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$2,067.00
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K2P87B
HP DR 4TB HDD SAS 7.2K LFF
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K2P87B is a high-performance HDD offering a 3.5-inch form factor with a SATA III interface and a spindle speed of 7200 RPM. It provides a robust 10 TB storage capacity, 256 MB buffer, and a workload rating of 550 TB/yr, complemented by an MTBF of 1,200,000 hours.
Engineered for 24×7 reliability with a rated 8760 hours/year operation, K2P87B is optimized for desktop, server, NAS, and surveillance use. It features low power consumption (9 Watts during read/write and 7 Watts during idle), along with advanced attributes such as helium-sealed construction, vibration protection, and dual actuator technology—ideal for data centers, desktops, NAS, and surveillance applications.
K2P87B price is $637.00, a 69.2% saving from the Hpe list price of $2,067.00. K2P87B is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for K2P87B for additional pricing. Browse the full Hpe Server 3.5" Hard Drives series or explore all Hpe products.
A global financial services firm deploys K2P87B-HP DR 4TB HDD SAS 7.2K LFF drives in its VMware cluster tier-2 storage to handle hundreds of VM workloads. Benefit: Delivers sub-millisecond latency and 20% higher VM consolidation ratios, shrinking rack space and lowering total cost of ownership.
A multinational retailer integrates K2P87B-HP DR 4TB HDD SAS 7.2K LFF into its disk-based backup appliance for nightly snapshots and off-site replication. Benefit: Provides 96 TB raw capacity per shelf with enterprise-grade reliability, ensuring an RPO under 15 minutes and RTO under 1 hour for critical sales and inventory systems.
An insurance provider builds a petabyte-scale data lake using K2P87B-HP DR 4TB HDD SAS 7.2K LFF drives to store claims history, logs, and audit trails. Benefit: Enables sequential throughput over 200 MB/s per drive and up to 20 PB expansion, accelerating batch analytics and meeting strict regulatory retention requirements.
To get the detailed certification, please go to the Compliance Center.
 K2P87B |  804602-B21 |  Q2P81A |  846514-B21 |  Q2P82A | |
|---|---|---|---|---|---|
| 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 |
| Interface | SATA III | SATA III | SATA III / SAS 12Gb/s | SATA III | SATA III |
| Form Factor | 3.5-inch | 3.5-inch | 2.5-inch / 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 10 TB | 4 TB | 10 TB | 4 TB | 8 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 256 MB | 256 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 250 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 550 TB/yr | 300 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 9 Watts | 8.5 Watts | 8 Watts | 8 Watts | 8.5 Watts |
| Power Consumption (Idle) | 7 Watts | 5.5 Watts | 5 Watts | 5 Watts | 6.0 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | No | 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 | Rotational Vibration Sensors | Dual Actuator | Dual Actuator | Dual Actuator |
| Operating Temperature | 5–60°C | 0–60°C | 5–60°C | 5–60°C | 5–60°C |
| Product Name | K2P87B | 804602-B21 Enterprise HDD | Q2P81A Enterprise HDD | 846514-B21 High Performance HDD | Q2P82A Enterprise Helium-Sealed 8TB HDD |
| Height | 1.03 inches | 1 inches | 1.03 inches | 1.0 inches | 1.04 inches |
| Width | 5.78 inches | 5.8 inches | 4 inches | 4.0 inches | 5.79 inches |
| Depth | 4.00 inches | 4 inches | 5.787 inches | 5.8 inches | 8.66 inches |
| Weight | 1.8 lbs | 1.8 lbs | 1.2 lbs | 1.2 lbs | 1.2 lbs |
Good capacity SAS drive for enterprise storage pools.
Smooth deployment in 3PAR environment.
Predictable performance under load.
Reliable and cost effective.
Solid storage expansion choice.
The HP DR 4TB HDD SAS 7.2K LFF offers a raw capacity of 4 terabytes, ideal for enterprise storage and backup applications.
This drive uses a 12 Gb/s SAS interface for high-bandwidth, low-latency data transfers in server and SAN environments.
The drive is a Large Form Factor (3.5-inch) HDD compatible with all HP ProLiant LFF bays and most enterprise chassis.
The HP DR 4TB HDD spins at 7,200 RPM, balancing performance and power efficiency for mixed workloads.