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Silver 3.5 inch bare hybrid drive with circuit board visible

Seagate

Seagate ST1000DX001 1TB 3.5" SSHD 7200 RPM 64MB SATA 6.0Gb/s internal hard drive

SKU CH-K9TS-YNANT MPN ST1000DX001

A 1 TB 3.5-inch hybrid drive combining a 7200 RPM mechanical platter with 8 GB of MLC flash for SSD-like boot and load speeds over a SATA 6.0 Gb/s interface

  • PackagingBare Drive
  • InterfaceSATA 6.0Gb/s
  • Capacity1TB
  • Flash Memory Capacity8GB
  • NAND Flash Memory TypeMLC
  • RPM7200 RPM

Options 1TB

  • 8GB NAND flash accelerates boot and load times
  • 7200 RPM spindle delivers sustained throughput for large files
  • 64MB cache smooths burst I/O for responsive multitasking
  • SATA 6.0Gb/s interface removes bottlenecks on modern motherboards
  • 1TB capacity stores full game libraries and media collections

Hybrid drive for desktop PCs

The Seagate Desktop SSHD ST1000DX001 combines a 1TB mechanical platter with 8GB of MLC NAND flash in a 3.5-inch form factor. It connects through a SATA 6.0Gb/s interface and spins at 7200 RPM with a 64MB cache. The hybrid design targets users who want SSD-like boot and load responsiveness without giving up terabyte-scale capacity.

Thermals noise and power in daily use

A 7200 RPM spindle and flash cache produce typical desktop drive acoustics and heat output for this class. Average seek and write times are quoted below 8.5ms, with 4.16ms average latency. The bare drive measures 19.87mm high by 101.60mm wide by 146.99mm long, fitting standard 3.5-inch bays without extra mounting hardware.

Build integration and system fit

The drive slides into any 3.5-inch bay and uses a standard SATA data and power connection, so no special cables or controllers are required. Its hybrid architecture accelerates frequently used files automatically, freeing the user from manual cache management. Buyers who need pure flash endurance or multiple terabytes beyond 1TB will look elsewhere.

Highlights

  • 8GB NAND flash accelerates boot and load times
  • 7200 RPM spindle delivers sustained throughput for large files
  • 64MB cache smooths burst I/O for responsive multitasking
  • SATA 6.0Gb/s interface removes bottlenecks on modern motherboards
  • 1TB capacity stores full game libraries and media collections

Specifications

BrandSeagate
SeriesDesktop SSHD
ModelST1000DX001
PackagingBare Drive
InterfaceSATA 6.0Gb/s
Capacity1TB
Flash Memory Capacity8GB
NAND Flash Memory TypeMLC
RPM7200 RPM
Cache64MB
Average Seek Time<8.5ms
Average Write Time<8.5ms
Average Latency4.16ms
FeaturesPerformance. Capacity. Affordable Price.
- The first solid state hybrid drive (SSHD) in a 3.5-inch form factor
- Boots and performs like an SSD
- SATA 6Gb/s with NCQ for interface speed
- Faster than a traditional HDD
- All-in-one design for simplicity and ease of installation
- Installs and operates like a standard hard drive: cross-platform, no drivers or additional software required
- Massive 1TB capacities combined with SSD-like performance
Best-Fit Applications
- Desktop PCs
- Workstations
- High-performance direct-attached storage (DAS) devices
UsageHybrid Hard Drives
Form Factor3.5"
Height (maximum)19.87mm
Width (maximum)101.60mm
Length (maximum)146.99mm
Shipping weight0.52 kg
Package size146 × 102 × 25 mm

Other versions of this model

1 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How do I install the 3.5" SATA 6.0Gb/s drive and what step is often missed?

Mount the drive in a 3.5" bay using four screws, connect the SATA data and power cables, then enable AHCI mode in the BIOS before installing the OS so the 8GB NAND cache works correctly.

What maintenance or replacement will the ST1000DX001 need later?

No scheduled maintenance is required; the 8GB MLC NAND and 7200 RPM platters are sealed inside. Replace the drive only if SMART attributes report reallocated sectors or the 5-year limited warranty expires.

What limit appears first during sustained heavy writes on this hybrid drive?

After the 8GB NAND write buffer fills, sustained throughput drops to the 7200 RPM mechanical speed with 4.16ms average latency and <8.5ms average write time.

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