Genuine Dell OEM 256gb (gigabyte) M.2 form factor SSD storage drive, by SK hynix. This SSD drive uses the M.2 2280 form factor.

Compatible Dell Laptops:
-Alienware 13, 17 R2, 15 R1, 15 R2, 17 R3, 15 R3, 17 R4, 15 R4, 17 R5, m15, m15 R2, m17, m17 R2
-OptiPlex 7450, 7050, 7460, 5260
-G Series G5 5587, G7 7588
-Inspiron 15 (7559), 15 (7569) 2-in-1, 13 (7368) 2-in-1, 15 7579 2-in-1, 13 (7378) 2-in-1, 15 (7566), 15 (7567), 15 (5577), 15 7560, 14 (7460), 15 (7577), 13 (7373) 2-in-1, 15 (5570), 15 (7573) 2-in-1, 15 (7570), 13 (7370), 17 (5770), 17 (7773) 2-in-1, 15 (3576), 15 7572, 14 (7472), 13 (5370), 14 (7467), 14 (5481) 2-in-1
-Latitude 7350 2-in-1 (End of Life), 7202 Rugged Tablet, 11 (5175) 2-in-1, 11 (5179) 2-in-1, E5570, 13 (7370), 7414 Rugged, 5414 Rugged, E5270, E5470, E7270, E7470, 12 (7275), 13 (3379) 2-in-1, 5580, 7480, 5480, 7280, 5280, 13 (3380), 5285 2-in-1, 5289 2-in-1, 3480, 3580, 3189, 7214 Rugged, 3180, 7490, 5290, 5590, 7390, 7389 2-in-1, 7380, 3590, 7212 Rugged, 5490, 5491, 5495, 5591, 7290, 3190, 3390 2-in-1, 3490, 5290 2-in-1, 7300, 5400, 3301
-XPS 13 (9343), XPS 18 (1820), XPS 12 (9250), XPS 13 9350 (End of Life), XPS 13 (9360), XPS 15 (9560), 13 (9370)
-Precision 15 (3510), 3520, 3530, 3541, 3540
-Vostro 14 (5468), 15 (5568), 15 (3568), 15 (3578), 13 (5370), 14 (3478)

DPart Number: W866W

Capacity: 256GB
Manufacturer: SK hynix
Series: SC313
Manufacturer Part Number: HFS256G39TNF
Host Interface:
SATA III 6Gb/s, 3.0Gb/s support and 1.5Gb/s support
Capacity: 256GB
Form Factor: M.2 2280