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Black 5.25 inch tray-load DVD burner with matte finish

LG Electronics

LG Electronics GH20NS15 20X DVD burner 5.25" black SATA

SKU CH-TKGR-ANRPX MPN GH20NS15

Writes DVDs at 20X and CDs at 48X with a 2MB cache in a black 5.25" tray-load SATA drive

  • TypeDVD Burner
  • DVD-ROM Access Time145ms
  • CD-ROM Access Time125ms
  • Cache2MB
  • DVD+R20X
  • DVD+RW8X
  • 20X DVD+R and DVD-R write speeds for fast disc creation
  • 16X DVD+R DL and 12X DVD-R DL support for dual-layer media
  • 48X CD-R and 32X CD-RW speeds for quick CD burning
  • 2MB cache and 145ms DVD access time for responsive performance
  • 25 inch tray-load form factor with black panel fits standard drive bays

20X DVD Burner for Desktop Builds

The LG Electronics GH20NS15 is a 5.25 inch internal optical drive that writes DVD+R and DVD-R media at 20X speed. It also supports dual-layer DVD recording at 16X and 12X respectively. The drive reads CD-ROM discs at 48X and DVD-ROM discs at 16X. A 2MB buffer helps maintain data flow during write operations.

SATA Interface Limits and Media Speeds

The drive connects through a standard SATA interface which caps sustained transfer rates below the peak 20X DVD write speed. Actual throughput depends on the host controller and disc quality. CD-R writing reaches 48X while CD-RW rewriting runs at 32X. DVD-RAM media is supported at 12X for random-access storage tasks.

Tray-Load Installation and Common Issues

The black tray-load mechanism fits standard 5.25 inch drive bays and requires a SATA data cable plus a SATA power connector. Ensure the front bezel aligns with the case opening to prevent binding. Some older motherboards may not recognise the drive without a BIOS update. Verify the SATA port is enabled in firmware if the drive does not appear at boot.

Highlights

  • 20X DVD+R and DVD-R write speeds for fast disc creation
  • 16X DVD+R DL and 12X DVD-R DL support for dual-layer media
  • 48X CD-R and 32X CD-RW speeds for quick CD burning
  • 2MB cache and 145ms DVD access time for responsive performance
  • 25 inch tray-load form factor with black panel fits standard drive bays

Specifications

BrandLG
ModelGH20NS15
TypeDVD Burner
DVD-ROM Access Time145ms
CD-ROM Access Time125ms
Cache2MB
DVD+R20X
DVD+RW8X
DVD-R20X
DVD-RW6X
CD-R48X
CD-RW32X
DVD+R DL16X
DVD-R DL12X
DVD-RAM12X
DVD-ROM16X
CD-ROM48X
Form Factor5.25"
Panel ColorBlack
Load TypeTray
InterfaceSATA
Package Contentssee pictures for details
Shipping weight0.68 kg
Package size171 × 146 × 41 mm

Questions about this item

Should I choose the 20X DVD+R or the 16X DVD+R DL speed for my burning needs?

Use 20X DVD+R for single-layer discs and 16X DVD+R DL for dual-layer media; the drive writes each format at its listed maximum.

What does the 20X DVD+R rating deliver in an actual system?

The 20X rating means the drive can write a single-layer DVD+R at up to 20X speed when the disc, SATA connection and host system all support that rate.

Does the SATA interface cap the 20X DVD write speed in practice?

SATA bandwidth comfortably exceeds the data rate of 20X DVD writing, so the interface does not limit the drive's listed speeds.

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