Hp 635i

Want to know hp 635i model is oem of which drive.

Some rebadge of 1673 I think:

4th Generation Standard (3S-v2)
SOHW-1673S (16x+R, 8x+RW, 4x+R9, 16x-R, 6x-RW)
LITE-ON DVDRW SOHW-1673S Firmwares: rpc1.org, official, codeguys
DVDRW DRW-3S167 Firmwares: rpc1.org, official
SONY DVD RW DRU-720A Firmwares: rpc1.org, official, codeguys
SONY DVD RW DW-D26A Firmwares: rpc1.org
GIGABYTE GO-W1616A Firmwares: rpc1.org, official
HP DVD Writer 635d
IMATION IMWDVRW16DLE Firmwares: rpc1.org
IMATION IMWDVRW16DLI Firmwares: rpc1.org
Memorex DVD16+/-DL4RWlD2 Firmwares: rpc1.org, official
TEAC DV-W516GB Firmwares: rpc1.org, official
WAITEC ACTION164/1 Firmwares: rpc1.org, official

From the codeguys page. http://codeguys.rpc1.org/dvdrw_overview.html

thank you _chef