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Samsung 983 ZET Z-NAND SSD Review (Page 2)

Chris Ramseyer | Feb 24, 2019 at 10:00 am CST - 2 mins, 4 secs reading time for this page
Rating: 94%Manufacturer: Samsung

Synthetic Performance Testing

The sole comparison product to the Samsung 983 ZET comes from its most obvious competitor, the Intel SSD DC P4800X Optane SSD. The DC P4800X differs slightly from the consumer 900P/905P. The datacenter Optane drives support System Management Bus (SMBus), a feature disabled on the consumer drives.

Sequential Read Performance

Samsung 983 ZET Z-NAND SSD Review 100 | TweakTown.com

The two Samsung 983 ZET SDDs deliver stronger sequential read performance at most queue depths compared to the Intel Optane SSD. The Optane drive does take a slight lead at queue depth (QD) 2 but trails the ZET drives in other queue depths.

Sequential Write Performance

Samsung 983 ZET Z-NAND SSD Review 101 | TweakTown.com
Samsung 983 ZET Z-NAND SSD Review 102 | TweakTown.com
Samsung 983 ZET Z-NAND SSD Review 103 | TweakTown.com

ZNAND is still flash technology so the write performance drops off under steady-state conditions. Optane uses 3D XPoint, a phase change technology, and doesn't suffer from steady-state performance roll-off.

The ZET SSDs still outperform other flash-based data center SSDs we've tested in sequential writes in steady-state but trails the DC P4800X.

Sequential Mixed Workload Performance

Samsung 983 ZET Z-NAND SSD Review 104 | TweakTown.com
Samsung 983 ZET Z-NAND SSD Review 105 | TweakTown.com

The mixed workload tests show the two series much closer in performance. These are closer to real-world sequential workload conditions for these products, but most companies deploy these products for random workloads.

Random Read Performance

Samsung 983 ZET Z-NAND SSD Review 106 | TweakTown.com
Samsung 983 ZET Z-NAND SSD Review 107 | TweakTown.com

Optane memory shows stronger random read performance at queue depths 1 to 16 but peak random read performance shows both technologies on par with each other. Our enterprise server doesn't reach the full 750,000 random read IOPS claimed by Samsung for this series, but we have seen performance as high as 650,000 IOPS with the latest Memblaze enterprise SSD using a PCIe 3.0 x8 interface.

Random Write Performance

Samsung 983 ZET Z-NAND SSD Review 108 | TweakTown.com
Samsung 983 ZET Z-NAND SSD Review 109 | TweakTown.com
Samsung 983 ZET Z-NAND SSD Review 110 | TweakTown.com
Samsung 983 ZET Z-NAND SSD Review 111 | TweakTown.com

The largest performance difference between the ZET and Optane series products come in the random data write category. This is also one of the few tests where the 480GB 983 ZET trails the larger 960GB model. Both Z-NAND SSDs trail Optane technology products in random writes by large margin at high queue depths.

Random Mixed Workload Performance

Samsung 983 ZET Z-NAND SSD Review 112 | TweakTown.com
Samsung 983 ZET Z-NAND SSD Review 113 | TweakTown.com

The strong random write performance is too much to overcome in random mixed workloads. The 983 ZET SSDs show strong performance, but will not be able to close the performance gap with any amount of data writes in the workload.

Last updated: Nov 15, 2019 at 01:16 pm CST

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ABOUT THE AUTHOR - Chris Ramseyer

Chris Ramseyer started his career as a LAN Party organizer in Midwest USA. After working with several computer companies he was asked to join the team at The Adrenaline Vault by fellow Midwest LAN Party legend Sean Aikins. After a series of shake ups at AVault, Chris eventually took over as Editor-in-Chief before leaving to start Real World Entertainment. Look for Chris to bring his unique methods of testing Hard Disk Drives, Solid State Drives as well as RAID controller and NAS boxes to TweakTown as he looks to provide an accurate test bed to make your purchasing decisions easier.

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