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Intel
®
Solid-State Drive 320 Series
Intel
®
Solid-State Drive 320 Series
Product Specification September 2011
6 Order Number: 325152-002US
Intel
®
Solid-State Drive 320 Series
2.0 Product Specifications
2.1 Capacity
Notes: 1 GB = 1,000,000,000 bytes; 1 sector = 512 bytes.
LBA count shown represents total user storage capacity and will remain the same throughout the life of the drive.
The total usable capacity of the SSD may be less than the total physical capacity because a small portion of the capacity is
used for NAND flash management and maintenance purposes.
2.2 Performance
Notes: 1. Performance measured using Iometer* with Queue Depth equal to 32. Measurements are performed on 8 GB of Logical
Block Address (LBA) range. Write Cache enabled. 4 KB = 4,096 bytes.
Note: 1. Performance measured using Iometer with Queue Depth equal to 32.
Notes: 1. Based on sequential 4 KB (4,096 bytes) at Queue Depth 1 Iometer workload. Write Cache Enabled.
2. Power On To Ready time assumes proper shutdown.
Table 1. User Addressable Sectors
Intel SSD 320 Series
Unformatted Capacity
(Total User Addressable Sectors in LBA Mode)
40 GB 78,165,360
80 GB 156,301,488
120 GB 234,441,648
160 GB 312,581,808
300 GB 586,072,368
600 GB 1,172,123,568
Table 2. Random Read and Write Input/Output Operations Per Second (IOPS)
Specification
1
Unit
Intel SSD 320 Series
40 GB 80 GB 120 GB 160 GB 300 GB 600 GB
Random 4 KB Read
(up to) IOPS 30,000 38,000 38,000 39,000 39,500 39,500
Random 4 KB Write (up to) IOPS 3,700 10,000 14,000 21,000 23,000 23,000
Table 3. Maximum Sustained Sequential Read and Write Bandwidth
Specification
1
Unit
Intel SSD 320 Series
40 GB 80 GB 120 GB 160 GB 300 GB 600 GB
Sequential Read (up to) MB/s 200 270 270 270 270 270
Sequential Write
(up to) MB/s 45 90 130 165 205 220
Table 4. Latency
Specification
Intel SSD 320 Series
40 GB 80 GB 120 GB 160 GB 300 GB 600 GB
Latency
1
Read
Write
Power On To Ready
2
75 µs (TYP)
90 µs (TYP)
2.0 s (TYP)