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Silver 3.5 inch hard drive with circuit board visible

Toshiba

Toshiba N300 Pro 16TB 3.5" 7200 RPM 512MB Cache SATA Internal Hard Drive HDWG51GUZSVB

SKU CH-8074-WBYDP MPN HDWG51GUZSVB

Stores 16 TB on a 3.5-inch CMR drive spinning at 7200 RPM with a 512 MB cache for enterprise NAS workloads

  • Total capacity16 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Recording methodCMR
  • Rotational speed7,200 RPM
  • Cache memory512 MB

Capacity 16TB

  • High capacity for demanding NAS workloads
  • 7200 RPM spindle speed sustains heavy multi-user access
  • 512 MB cache absorbs burst I/O for smooth streaming
  • CMR recording technology ensures consistent write performance
  • SATA 6.0 Gb/s interface fits standard 3.5-inch bays

Built for enterprise NAS arrays

This 16 TB Toshiba N300 Pro drive uses CMR recording at 7200 RPM with a 512 MB cache and a SATA 6.0 Gb/s interface. It is designed for multi-bay NAS enclosures that demand sustained write performance and vibration tolerance in 3.5-inch bays. The five-year manufacturer coverage reflects its enterprise-grade positioning.

Suits RAID-heavy NAS workloads.

Administrators who need consistent throughput for RAID rebuilds, backup targets or media streaming will benefit from the CMR design and large cache. Builders looking for a quiet desktop drive, a 2.5-inch form factor, or a non-enterprise warranty should consider other product lines.

The deciding spec is 16 TB CMR at 7200 RPM

That combination of capacity, conventional magnetic recording and spindle speed determines whether the drive fits your RAID stripe size, rebuild-time budget and throughput requirements. Verify that your NAS chassis accepts 3.5-inch SATA drives and that the controller supports the full 6.0 Gb/s link rate.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $372.99
Pricier than about 88% of the 4,938 comparable items (median $107.99).
Total capacity 16 TB
Higher than about 92% of the 2,372 comparable items (median 2 TB).
Price per TB $23.31 per TB
Cheaper than about 90% of the 2,365 comparable items (median $62.21 per TB).

New to this? Paying with USDT: TRC-20 or ERC-20 — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameTOSHIBA
Product lineN300 Pro
Model nameHDWG51GXZSTB
Part numberHDWG51GXZSTB
Total capacity16 TB
Recommended useEnterprise NAS Hard Drives
Performance
Rotational speed7,200 RPM
Storage
Recording methodCMR
Cache memory512 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight0.68 kg
Package size150 × 102 × 25 mm

Other versions of this model

2 more in the same range

Questions about this item

What are the physical dimensions and interface required to mount the 3.5" SATA 6.0Gb/s drive?

The drive uses a standard 3.5-inch form factor and connects via a SATA 6.0Gb/s interface, requiring a compatible 3.5-inch drive bay and SATA data and power cables.

What is the correct installation step for the 7200 RPM CMR drive that users often skip?

Users often forget to configure the drive in the NAS RAID management software after physical installation, leaving the 16TB volume unallocated and unused.

How long is the manufacturer warranty period for the N300 Pro 512MB cache model?

The manufacturer highlights a 5-year warranty period for this enterprise NAS drive.

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