The Dell CW988 800GB drive is an enterprise-class SSD based on the industry-standard SAS interface and operates at 12-Gb/s transfer rates. SAS SSDs combine superior reliability, data integrity, and data fail recovery making them better than SATA SSDs for applications requiring the highest performance using SAS/SATA drives. Price is higher, but if performance is a strong requirement, then a SAS SSD is warranted.  
The CW988 delivers high sequential throughput, up to 1100MB/s read and 765MB/s write (12Gb/s SAS). It also delivers up to 130,000 read and 100,000 write IOPS, reaching speeds >100 times faster than HDDs and double the speed of current 6Gb/s SSDs, allowing rapid access to "hot" enterprise data for improved productivity and operational efficiency. The Ultrastar SSD1600MM family offers significant value in terms of IOPS per Watt, while reducing total cost of ownership (TCO) through low power consumption, efficient cooling and reduced space requirements.
Substitute PN:
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7DG07
989R8
CN3JH
D9NCK
DHRVV
FHFNJ
J19XM
JDX4K
M91TJ
0B33452
HUSMM1680ASS204
Compatible With:
Dell PowerEdge T-Series: T20 T110 (Gen II) T310 T320 T330 T410 T420 T430 T440 T610
Dell PowerEdge T-Series: T620 T630 T640 T710 Servers.
Dell PowerEdge R-Series: R210 (Gen I, II) R220 R230 R310 R320 R330 R410 R415 R420 R430 R510 R515 R530XD Servers.
Dell PowerEdge R-Series: R610 R620 R630 R710 R715 R720 R720XD R730 R730XD R805 R810 R815 R820 R830 Servers.
Dell PowerEdge R-Series: R900 R905 R910 R920 R930 Servers.
Dell PowerEdge C-Series: C1100 C2100 C6100 C6220 Servers.
Dell PowerEdge M-Series: M420 M510 M520 M600 M605 M610 M610x M620 M630 M710 M710XD Servers.
Dell PowerEdge M-Series: M805 M820 M830 M905 M910 M915 Servers.
Dell PowerVault M-Series: M1000e MD1120 MD1200 MD1220 MD3200 MD3220 MD3220i Arrays
Dell PowerVault M-Series: MD3400 MD3420 MD3420i MD3460 MD3600 MD3620 MD3620i MD3820i MD3860i Arrays