Lenovo

Lenovo 45N7451 Ultrabay Slim DVD-RW Drive Internal

3.7 (16 reviews)

Restore full optical read/write capability to your ThinkPad with Lenovo's genuine 9.5mm Ultrabay Slim drive — OEM fit, no compromises.

$44.36*
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*Price sourced from Amazon.com. Last updated:Jul 16, 2026.Price and availability are subject to change.

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Overview

The Lenovo 45N7451 is a 9.5mm Serial Ultrabay Slim DVD-RW drive engineered as an OEM component for the ThinkPad platform. What that means in practice: it slots into your Ultrabay Slim bay with the mechanical precision of original factory hardware, makes full electrical contact with the Ultrabay interface, and presents itself to the OS as a standard optical device without requiring driver packages or configuration. It reads and writes the complete DVD and CD format matrix — including DVD-RAM and Dual Layer variants — so whatever legacy disc you're dealing with, this drive handles it. For ThinkPad users maintaining machines that need physical optical access, this is the correct part, not a compromise.

The drive is built to the 9.5mm Ultrabay Slim specification that Lenovo used across a wide generation of business ThinkPads — T, W, R, and X series from the late 2000s through early 2010s. It's not designed for high-cycle creative workflows; it's a reliable, intermittent-use component suited to software installation from disc, archival DVD burning, and media playback. Optical mechanisms benefit from occasional use rather than sitting idle — if you're storing this as a spare, spin it up periodically. The drive has no active cooling of its own and relies on the ThinkPad chassis for thermal management, which is entirely adequate given the modest heat generation of DVD-speed optical operations.

Key Features

Manufacturer Part Number 45N7451

Model of the unit T400 T400S T410 T410S T500 W500 Ultrabase X200 X220

Manufacturer Description of Product Original Lenovo Genuine ThinkPad Laptop DVD-RW / CD-RW Combo

9.5mm Internal Drive

Specifications

Brand
Lenovo
Model
45N7451
Form Factor
9.5mm Internal Ultrabay Slim
Interface
Serial Ultrabay Slim (ThinkPad proprietary)
Read Formats
CD, DVD-Video, DVD-RAM
Write Formats
CD-R, CD-RW, DVD+R, DVD+R DL, DVD+RW, DVD+RW DL, DVD-R, DVD-R DL, DVD-RAM, DVD-RW, DVD-RW DL
Compatible Models
ThinkPad T400/T400s/T410/T410s/T420/T420s, T500/T510/T520, W500/W510/W520, W700/W701, R400/R500, X200/X200s/X201/X201s/X220

Frequently Asked Questions

This is a genuine Lenovo OEM unit confirmed for the Ultrabay Slim slot found in the T400, T400s, T410, T410i, T410s, T420, T420s, T500, T510, T520, W500, W510, W520, W700, W701, R400, R500, X200, X200s, X201, X201s, X220, and X220i. The 9.5mm Ultrabay Slim form factor is the determining compatibility factor — confirm your ThinkPad has an Ultrabay Slim bay (not the thicker Ultrabay Enhanced) before ordering.
The drive supports the full range of standard optical formats: CD-R, CD-RW, DVD-R, DVD-R Dual Layer, DVD+R, DVD+R Dual Layer, DVD-RW, DVD-RW Dual Layer, DVD+RW, DVD+RW Dual Layer, and DVD-RAM. It covers every practical optical media use case you're likely to encounter.
On Windows 7, 8, 10, and 11 the drive is recognized natively via the built-in optical drive class driver — no additional software needed. On Linux, standard udev rules and the sr_mod kernel module handle it automatically. Lenovo's ThinkPad firmware already expects this Ultrabay device ID.
ThinkPad Ultrabay Slim supports hot-swapping on supported models through the Windows Safely Remove Hardware process. The mechanical latch on the Ultrabay bay locks the drive during operation. Always use the OS eject procedure before physically releasing the latch lever.
For targeted use cases — installing legacy software from disc, ripping personal CD/DVD collections, burning archive discs — it solves a specific and real need. It's not a performance bottleneck; optical I/O speed is bounded by the disc format, not this drive's interface. If your workflow touches optical media even occasionally, having the native OEM drive beats USB workarounds.