LG GWA-4082N, compatible with Dell Inspiron 6400 (1505)?

Hi,
I’m trying to figure out if LG GWA-4082N would be a good replacement for a failed Samsung TS-L532 drive on my Dell Inspiron 6400 (1505) laptop.

Here are the details of Samsung TS-L532:
Features:
Buffer Under Run Free Technology
Supports DVD-R/RW formats read
Specifications:
Data Transfer Rate Read CD: 3,600 KB/sec (24x)
Data Transfer Rate Read DVD: 10,800 KB/sec (8x)
Data Transfer Rate Write on CD Record: 3,600 KB/sec (24x)
Data Transfer Rate Write on CD Rewritable: 3,600 Ko/s (24x)
Burst Transfer Rate PIO Mode 4: (16.6 MB/sec)
Burst Transfer Rate DMA Mode 2: (16.6 MB/sec)
Burst Transfer Rate Ultra DMA Mode 2: (33.3 MB/sec)
Recording Capacity CD-RW Disc: 700/650MB (Type 80/74)
Recording Capacity CD-R Disc: 800/700/650/550MB (Type 90/80/74/63)
Drive Type: Internal
Interface: EIDE / ATAPI
Loading Type: Drawer
Average Access Time: DVD : 110 ms CD : 110 ms
Dimensions (WxHxDmm): 128 x 12,7 x 127
Buffer Memory: 2MB
Drive Mounting: Horizontal / Vertical
Supported Disc: DVD-RW, DVD-R, DVD-ROM, DVD-Video, CD-R/RW, CD-DA, CD-ROM, CD-ROM/XA, Video-CD, CD-I, Photo CD, CD-EXTRA, CD-TEXT

Here are details of LG GWA-4082N:

SUSTAINED RATE
DVD-ROM 11.08 Mbytes/s (8x) max.
CD-ROM 3,600 kB/s (24x) max.

ACCESS TIME CD: 140 ms, DVD-ROM 160 ms
BUFFER SIZE 2MB
INTERFACE X3T13 ATA/ATAPI5/1321D INF-8090i Rev.5.3
Loading Mechanism Drawer type manual load / Electrical release
SUPPORTED DISC FORMATS
DVD-ROM: 4.7GB (Single Layer) 8.5GB (Dual Layer)
DVD-R: 3.95GB (Ver. 1.0: read only)
4.7GB (Ver. 2.0 for Authoring: read only)
4.7GB (Ver. 2.1 for General: read & write)
(DL) 8.5GB (Ver. 3.0)
DVD-RW: 4.7GB (Ver. 1.2/ Rev 1.0, 2.0, 3.0)
DVD+R: 4.7GB (Ver. 1.3); (DL) 8.5GB (Ver. 1.0)
DVD+RW: 4.7GB (Vol 1 Ver.3.0, Vol 2 Ver.1.0)
CD-ROM Mode-1 data disc
CD-ROM Mode-2 data disc

WRITING METHOD (1) DVD-R/RW: Disc at Once; Incremental Recording;
(2) DVD-R/RW: Restricted Overwrite (DVD-RW only)
DVD-R DL: Disc at Once (DAO)
DVD+R, DVD+R DL: Sequential Recording
CD-R/RW: Disc at Once (DAO); Session at Once (SAO);
CD-R/RW: Track at Once (TAO); Packet Writing

DIMENSIONS (WxHxD) 128 x 12.7 x 127 mm
WEIGHT 185 +/- 7g (without bezel)

I’m new to replacing laptop parts so I would appreciate the help.
Thanks a lot.