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400-ASHF
1TB 7.2K RPM SATA 6Gbps 512n 2.5 Inches Hot-plug Hard Drive
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
Every registration we claim is public record — check our federal contractor status yourself before you spend a dollar.

Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
400-ASHF is a high-performance HDD engineered for enterprise storage applications, featuring a 3.5-inch form factor, SATA III interface, and a steady spindle speed of 7200 RPM. It delivers a robust 4 TB storage capacity while incorporating a 128 MB buffer designed to support demanding workload ratings of up to 180 TB/yr, along with an MTBF designed for 1,200,000 hours of reliable operation.
400-ASHF is built for use in data centers, desktops, NAS systems, and surveillance environments. This drive comes with advanced features such as a helium-sealed design, effective vibration protection, and dual actuator technology to optimize performance and durability, while maintaining low power consumption during read/write (8 Watts) and idle (6 Watts) operations.
400-ASHF price is is available on request. Get immediate quote.
Request bulk order quote for 400-ASHF for additional pricing. Browse the full Dell Hard Drives & Ssds series or explore all Dell products.
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| 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 | Desktop / Server / NAS / Surveillance / Enterprise Storage | Server | Desktop / Server / NAS / Surveillance / Enterprise Storage | NAS |
| Interface | SATA III | SATA III / SAS 12Gb/s | SATA III | 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 | 4 TB | 10 TB | 8 TB | 12 TB | 4 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 128 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| 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 210 MB/s |
| Annual Workload Rating | 180 TB/yr | 300 TB/yr | 300 TB/yr | 550 TB/yr | 180 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8 Watts | 8.0 Watts | 7 Watts | 6 Watts |
| Power Consumption (Idle) | 6 Watts | 4 Watts | 5.0 Watts | 4 Watts | 4 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 | 5–55°C | 5–60°C | 5–60°C | 5–60°C | 5–60°C |
| Product Name | 400-ASHF High Performance Enterprise HDD | 400-ASTQ Enterprise HDD | 400-ASHH Enterprise HDD | 400-ASGV High Performance Enterprise HDD | 400-ARWN |
| Height | 1.03 inches | 1.03 inches | 1.0 inches | 1.03 | 1.03 inches |
| Width | 5.79 inches | 5.79 inches | 4.0 inches | 5.79 | 4.0 inches |
| Depth | 4.00 inches | 8.66 inches | 5.8 inches | 4.00 | 5.8 inches |
| Weight | 1.56 lbs | 1.65 lbs | 1.8 lbs | 2.2 | 1.5 lbs |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reliable hot plug drive for production servers.
Consistent operation under load.
Good SATA storage option.
Works well in RAID sets.
Satisfied overall.
The 400-ASHF drive offers 1TB capacity, 7,200 RPM rotational speed, SATA III 6 Gbps interface, 512-byte native sectors (512n), and a 2.5-inch hot-swappable form factor.
Yes, the 400-ASHF features a 2.5-inch hot-swappable design, allowing safe drive insertion and removal without system shutdown.
The 400-ASHF uses a standard SATA III (6 Gbps) interface, ensuring compatibility with virtually all modern desktops, servers, and storage arrays that support 2.5-inch SATA drives.
Yes, the 400-ASHF is designed for enterprise environments and supports hardware RAID controllers on servers from Dell, HP, Lenovo, and other leading vendors.
The 400-ASHF is a 2.5-inch drive with a 7 mm Z-height, fitting standard 2.5-inch bays in servers, storage enclosures, and laptops.
The 400-ASHF is rated for 1.2 million hours MTBF, providing high reliability for continuous 24/7 operation.
To install, power down the system, slide the drive into an available 2.5-inch hot-swap bay or mount with adapter brackets in a 3.5-inch bay, secure the connectors, and power up.
During active operation, the 400-ASHF consumes approximately 4.8 W, dropping to 0.8 W during idle, optimizing energy efficiency.
The 400-ASHF operates optimally between 0 °C and 60 °C, ensuring stability in typical data center and office conditions.
No, the 400-ASHF model does not include built-in hardware encryption; consider TCG Opal–compliant models for data-at-rest protection.
The 400-ASHF generates up to 29 dBA during seek operations and 26 dBA during idle, minimizing acoustic impact in server racks and workstations.
Yes, the 400-ASHF is OS-agnostic and functions seamlessly with any operating system that supports SATA storage devices, including Windows, Linux, and VMware.
The 400-ASHF comes with a 3-year limited warranty and access to 24/7 technical support for replacement and troubleshooting.
The 400-ASHF weighs approximately 99 grams (0.22 lbs), making it suitable for weight-sensitive applications.
The native 512-byte (512n) sector format ensures broad compatibility with legacy and modern systems without performance overhead from emulation.
Ideal for enterprise servers, storage arrays, and virtualization hosts, the 400-ASHF excels in database, web hosting, and general-purpose storage applications.