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Acer FA100 vs ADATA Ultimate SU900: Comparison
What is the difference between Acer FA100 and ADATA Ultimate SU900?
Sequential read is where these two genuinely part company, Acer FA100 3300 MB/s against ADATA Ultimate SU900 560 MB/s, a 83% lead for Acer FA100. Speed Score backs the spec sheet up. Acer FA100 scores 6.4 to 5.1, 20% clear. Acer FA100 also leads on sequential write, 2700 MB/s on the Acer FA100 versus 525 MB/s on the ADATA Ultimate SU900. They differ on bus interface too, PCIe 3.0 x4 on the Acer FA100 versus SATA 6 Gbps, 2.5" on the ADATA Ultimate SU900. Nand type is not the same on both, TLC on the Acer FA100 versus MLC on the ADATA Ultimate SU900. They differ on dram cache too, DRAM-less on the Acer FA100 versus 2048 MB on the ADATA Ultimate SU900. Form factor is not the same on both, M.2 2280 on the Acer FA100 versus 2.5-inch on the ADATA Ultimate SU900. Controller is not the same on both, IG5216 on the Acer FA100 versus SM2258H on the ADATA Ultimate SU900. There is a split on nand vendor as well, Micron on the Acer FA100 versus Micron 32-layer MLC on the ADATA Ultimate SU900.
Which should you buy, Acer FA100 or ADATA Ultimate SU900?
Buy the Acer FA100 for everyday storage use where 3300 MB/s reads are fast enough. It also earns its place with budget laptop or desktop upgrades wanting 2000 GB on a PCIe 3.0 x4 M.2 slot. It is not the one for buyers wanting PCIe 4.0 performance, as this drive is limited to 3300 MB/s reads.
What Acer FA100 and ADATA Ultimate SU900 have in common
Everything else lines up. Capacity and drive type read the same on both, so those are not worth weighing.
Specs and benchmarks
Speed Score
- Acer FA100
- 6.4/10Best
- ADATA Ultimate SU900
- 5.1/10-20%
How fast this drive is, rated from its read and write speeds, cache and NAND type. 10 is the fastest.
Brand
- Acer FA100
- Acer
- ADATA Ultimate SU900
- ADATA
Model Number
- Acer FA100
- Acer FA100 (Micron B47R)
- ADATA Ultimate SU900
- ADATA Ultimate SU900
Series
- Acer FA100
- FA100
- ADATA Ultimate SU900
- Ultimate SU900
Drive Type
- Acer FA100
- Internal
- ADATA Ultimate SU900
- Internal
Bus Interface
- Acer FA100
- PCIe 3.0 x4
- ADATA Ultimate SU900
- SATA 6 Gbps, 2.5"
Form Factor
- Acer FA100
- M.2 2280
- ADATA Ultimate SU900
- 2.5-inch
Capacity
- Acer FA100
- 2000 GB
- ADATA Ultimate SU900
- 2000 GB
Sequential Read
- Acer FA100
- 3300 MB/s
- ADATA Ultimate SU900
- 560 MB/s-83%
Sequential Write
- Acer FA100
- 2700 MB/s
- ADATA Ultimate SU900
- 525 MB/s-81%
Controller
- Acer FA100
- IG5216
- ADATA Ultimate SU900
- SM2258H
DRAM Cache
- Acer FA100
- DRAM-less (HMB)
- ADATA Ultimate SU900
- 2048 MB (2 TB model)
NAND Type
- Acer FA100
- TLC
- ADATA Ultimate SU900
- MLC
NAND Vendor
- Acer FA100
- Micron
- ADATA Ultimate SU900
- Micron 32-layer MLC
Which one should you pick?
Choose Acer FA100 if you want the higher speed score (6.4 vs 5.1), the higher capacity (2000 GB vs 2000 GB) and the higher sequential read (3300 MB/s vs 560 MB/s).
Choose ADATA Ultimate SU900 if you already have it on hand or find it at a lower price.