Toshiba X300 HDWR21CXZSTA 12TB SATA Hard Drive

Toshiba Part #/MPN: HDWR21CXZSTA

DiscTech Item #: TOS-HDWR21CXZSTA-BN-2Y

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Capacity: 12TB

Speed: 7,200RPM

Interface Types: SATA

Form Factor: 3.5inx1.0in LFF Hard Drive

Sector Size: 512 / 512e

Average Seek Time: 4.17

Electrical Interface: SATA 600 - 6.0Gbps

On-Board Cache: 256MB

Toshiba X300 HDWR21CXZSTA 12TB 3.5-Inch 6Gbps 7.2K RPM SATA High-Performance Hard Drive - Brand New

Toshiba X300 HDWR21CXZSTA 12TB / 12000GB 3.5" 6.0 Gb/s 7200 RPM SATA / Serial ATA High-Performance HDD / Hard Drive - Brand New

X300 - High-Performance Hard Drive

High performance, premium storage
Toshiba’s X300 3.5” internal hard drive is designed for your professional or gaming PC – delivering reliable, large capacity, incredibly high-performance storage, made possible by a number of advanced features, including an ultra-high 128 GB buffer. It even features improved positional accuracy for stable recording. The X300 is available in capacities of up to 8 TB – ideal for PC gamers, graphic designers, and other users with demanding storage requirements.

Target devices:
Powerful desktop workstations, all-in-one PCs, gaming computers, home media computers

Target applications:
High performance tasks – from editing photos and videos, to enjoying graphics-intensive gaming.

Performance storage
For when you need more, the X300 delivers. Available in storage capacities of up to 8 TB, the X300 is able to meet your every requirement.

Performance alongside reliability
The dual-stage actuator improves positional accuracy, negating the effects on head-track alignment that vibrations can cause.

Advanced technologies
Optimization of cache allocation during reading and writing for improved performance in real-time domains.

Top features:

  • Enhanced real-time performance
  • High anti-oscillation performance
  • Curbed system induced vibration
  • Data protection technology
  • High storage density and capacity
  • Large buffer: 128 MB


This drive is designed for use in Powerful desktop workstations, all-in-one PCs, gaming computers, home media computers that accept 3.5inx1.0in SATA Drive.

X300 - High-Performance Hard Drive
Model NumberHDWR21CXZSTA
Capacity12TB / 12000GB
Form Factor3.5-Inch
InterfaceSATA 6.0 Gbit/s
RoHS compatibleYes
Advanced Format (AF)Yes
Halogen FreeYes
Rotational speed7200 rpm
Buffer size256 MB
Average latency4.17 ms
Native Command Queing (NCQ)Supported
Unrecoverable error rate:1 per 10E14 bits read
Power Management
Supply voltage5VDC (±5 %) / 12VDC (±10 %)
Consumption (operating)6.77 W typ.
Consumption - Active Idle4.54 W typ
Temperature (operating)5 to 55 °C
Temperature (non-operating)-40 to 70 °C
Vibration (operating)7.35 m/s2 {0.75 G} (5 to 300 Hz)
2.45 m/s2 {0.25 G} (300 to 500 Hz)
Vibration (non-operating)3.0 G (5 to 500Hz)
Shock (operating)686 m/s2 {70 G} (2 ms half sine)
Shock (non-operating)250 G / 2 ms duration
Acoustics (idle mode)20 dB typ.
Dimensions147 (L) x 101.6 (W) x 26.1 (H) mm
Weight 720 g

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Weight: 1.8 lb

Warranty: 2 Year Manufacturer

Brand New

Condition Levels Explained

The product is brand new.

2 Year Manufacturer Warranty

Product Warranties Explained

The product has a manufacturer warranty for the time period specified.