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Review: Samsung 845DC PRO (800GB)

by Tarinder Sandhu on 1 July 2014, 14:30

Tags: Samsung (005935.KS)

Quick Link: HEXUS.net/qacf7b

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Testing methodology

Test Bench

CPU Intel Core i7-4770K (3.5GHz, 8MB cache, quad-core)
Motherboard Asus Z97-A
Memory 16GB Corsair Vengeance Pro (2x8GB) DDR3 @ 1,866MHz
Storage Controllers Intel Z97 PCH (SATA 6Gbps, AHCI)
Graphics Integrated HD 4600 Graphics
Power Supply Corsair AX760i
Operating System Windows 8.1 (64-bit)

Comparison Drive Configurations

  Total Capacity Controller Firmware Interface
Samsung 845DC PRO 800GB Samsung MDX DXV8AX3Q SATA 6Gbps
Crucial M500 240GB Marvell 88SS9187 MU02 SATA 6Gbps

Benchmarks

ATTO Disk Benchmark The freeware ATTO benchmark provides basic sequential speed results for both read and write operations. Using the default queue depth of four, we record read and write speeds during 1MB transfers.
CrystalDiskMark CrystalDiskMark provides various storage benchmarks, but we're interested in the returned 32-thread 4K performance numbers to see how well the drives fare when tasked with numerous small transfers.
Iometer Iometer is an I/O subsystem measurement tool originally developed by Intel. To measure a drive's I/O performance, we set the benchmark to run Database, File Server and Workstation profiles over varying queue depths.
PCMark 8 PCMark 8's storage test is a collection of workloads that isolate the performance of the PC's storage system. The Expanded Tests dig deeper into performance by looking at how the drives respond when in a degraded, steady and recovery state.

Notes

We're starting afresh by examining the 845DC PRO's credentials against a mainstay of our test-rigs, the consumer Crucial M500. Both drives were secure-erased before benchmarking and the tests were run in the order shown. Of course, we expect the Samsung to run rings around the Crucial, especially with respect to consistency, so we'll be drilling down on those characteristics. More drives will be added shortly.