8K Random Read/Write
8K random read and write speed is a metric that is not tested for consumer use, but for enterprise environments this is an important aspect of performance. With several different workloads relying heavily upon 8K performance, we include this as a standard with each evaluation. Many of our Server Emulations below will also test 8K performance with various mixed read/write workloads.
The Seagate Enterprise Performance V.6 delivers an average of 426 IOPS at QD256, which is surprisingly close to the Toshiba MK01GRRB/R 15K. The MG03SDCA300 chugs along at a respectable 250 IOPS.
The average 8K random write speed of the Seagate V.6 is 363 IOPS at QD256.
The Seagate V.6 exhibits a traditional curve with slightly slower random write speed than random read speed.
The Seagate V.6 delivers 76.67% of I/O's (83,425) at 80-100ms, 18,163 I/O's (16.69%) at 60-80ms, and 7,218 I/O's (6.63%) at 60-80ms, 11.9% at 100-200ms.
Power consumption for the Seagate V.6 again matches the higher RPM Toshiba 15K at 6.56 Watts during the measurement window.
Though both HDDs pull the same power, the 15K HDD proves more efficient in the test. The Seagate V.6 still delivers solid performance with an average of 55 IOPS per Watt in 8K random write, and 62 IOPS for 8K random read.
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