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Black internal 5.25 inch Blu-ray burner with tray loading mechanism

LG Electronics

LG Electronics WH16NS40 blu-ray burner 16X BD-R SATA

SKU CH-CTM7-4D3RQ MPN WH16NS40

Internal 5.25" SATA Blu-ray writer burns BD-R at 16X and reads BD-ROM at 12X

  • Interface typeSATA
  • Included itemsBare Drive
  • Cache memory4 MB
  • BD-ROM access time180 ms
  • BD-R speed16X
  • BD-RE speed2X

BD-R 16X

  • Writes BD-R discs at 16X speed for fast backups
  • Reads Blu-ray movies at 12X for smooth playback
  • Burns DVD±R media at 16X for quick data archiving
  • Stores 4 MB cache to keep data flowing steadily
  • Fits standard 5.25" bay with SATA connection

Internal Blu-ray Burner for 5.25-Inch Bays

This internal optical drive fits a standard 5.25-inch bay and connects through a SATA interface. It writes BD-R discs at 16X and BD-R DL at 12X, while reading BD-ROM at 12X. DVD and CD media are also supported across multiple formats. The unit ships as a bare drive without bundled playback software.

SATA 150 Interface and Media Limits

The SATA 150 connection caps sustained transfer rates at 150 MB/s, which is below the theoretical peak of faster optical media. BD-RE and BD-RE DL writing are limited to 2X, and DVD-RAM writing reaches 5X. Random access on BD-ROM averages 180 ms. These constraints make the drive suited for archival writes rather than high-throughput duplication.

16X BD-R Write Speed Decides Suitability

The 16X BD-R write speed is the single figure that determines whether this burner matches a workflow. Users who need faster BD-RE rewriting or higher DVD-RAM performance will find the 2X and 5X ceilings restrictive. The 4 MB buffer helps sustain streams at the rated speeds. Buyers requiring quicker rewrite cycles should consider drives with higher BD-RE ratings.

How it compares

Measured against everything we stock in Blu-Ray Disc Writers, at today’s prices. Recalculated every night.

Price $72.99
Cheaper than about 81% of the 33 comparable items (median $108.99).

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Specifications

Product
Brand nameLG
Model nameWH16NS40
Panel colorBlack
Product typeInternal Blu-ray Burner
Storage
Cache memory4 MB
BD-R speed16X
BD-RE speed2X
DVD+R write speed16X
DVD+RW rewrite speed8X
DVD-R write speed16X
DVD-RW rewrite speed6X
CD-R write speed48X
CD-RW rewrite speed24X
DVD+R DL write speed8X
DVD-R DL write speed8X
DVD-RAM speed5X
DVD-ROM speed16X
CD-ROM speed48X
Loading mechanismTray
Ports & slots
Interface typeSATA
Size & build
Overall dimensions1.6 in × 5.7 in × 6.5 in
Shipping weight0.68 kg
Package size171 × 140 × 43 mm
Compatibility
Supported operating systemsWindows XP, Windows Vista, Windows 7, Windows 8
In the box
Included itemsBare Drive
More details
BD-ROM access time180 ms
BD-R DL12X
BD-RE DL2X
BD-ROM12X

Other versions of this model

1 more in the same range

Questions about this item

Which version of the WH16NS40 should I choose for BDXL discs?

The single model WH16NS40 supports BDXL quad-layer media with 16X BD-R and 12X BD-R DL write speeds.

What does the 16X BD-R figure mean in my PC?

It writes single-layer BD-R at 16X and dual-layer BD-R at 12X over the SATA/150 interface.

What does the SATA/150 interface cap in practice?

SATA/150 limits sustained throughput to 150 MB/s, well above the drive's 16X BD-R rate.

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