Seagate Momentus delivers 320GB of storage capacity with 16mb cache, in the 2.5" form factor. This is a SATA version II (3.0Gb/s) hard disk drive with spindle speed of 7200rpm.

Compatible Laptops:
-Dimension 4600
-OptiPlex 780

Inspiron: M501R (M5010), N5050, 14z (N411z), N311Z, N5040, M5040, 1546, M5030, M4040, N4030, N4020, N4050, N5030, Mini Duo (1090), 1120 (M101z), 1018, 13R (N3010), 1121, 1122 (M102z), 14R (N4110), 17R (N7110), 15R (N5110), M511R M5110), 1764, 1564, 1464, 17R(N7010), 15R (N5010), 14R(N4010), Mini 10 (1010), Mini 10v (1011), Mini 10(1012), 11z (1110), E1705, E1505, E1405, 9400, 640m, 6400, 1750, 1721, 1720, 1570, 1545, 1526, 1525, 1521, 1520, 1501, 1470, 1440, 1427, 1420, 1410, 1370, 1320, 1318, 15R (5520), 15R (7520), 14R (5420), 14R (7420), 17R (7720), 17R (7420),

Latitude: E5430, E6530, E6430, E6430S, E6330, E5530, E4310, E5510, 2110, E5410, 13, E6520, E6420, E6320, E5520, E5420, 2120, E6510, E6500, E6410, E6400, ATG E6410, ATG E6400, XFR E6400, E5500, E5400, E4300, D830, D820, D631, D630, XFR D630, ATG D630, D620, ATG D620, D531, D530, D520, 131L, 2100

XPS: Studio XPS 1340, 1640, 1645, 1647, 15 (L502X), 14 (L401X), 17 (L701X), 17 (L702X), 15 (L502X), M2010, M1730, M1710, M1530, M1330, M1210, 15z (L511z), 14z (L412Z), 15 (L521X),

Precision: M4600, M4500, M65, M90, M2300, M2400, M4300, M4400, M6300, M6400, M6500, M6600, M4700, M6700

Vostro: 3560, 3460, 3360, 3450, 3550, 3555, 3750, 3350, 3400, 3500, V13, V131, 3300, V130, 3750, 500, 1000, 1014, 1015, 1088, 1200, 1220, 1310, 1320, 1400, 1500, 1510, 1520, 1700, 1710, 1720, 2510, 3700, A840, A860, 1450, 1440,

Studio: 1435, 1450, 1457, 1440, 1458, 1535, 1536, 1537, 1555, 1557, 1558, 1569, 1735, 1737, 1745, 1747, 1749

Alienware: M17x, M17xR2, M17xR3, M17xR4, M15x, M11x, M11xR2, M11xR3, M14x, M14xR2, M18x

Seagate: ST9320423AS
DP/N: 46D3T, 046D3T

Interface: SATA 3.0Gb/s
Capacity: 320GB
Cache: 16MB
RPM: 7200RPM

Physical Spec-
Form Factor: 2.5"
Height (maximum) 9.5mm
Width (maximum) 69.75mm
Length (maximum) 100.3mm