Review: ACER Predator GM7000 2TB NVMe PCIe 4.0 SSD (Great perf on a non Phison controller)

by Hilbert Hagedoorn on: 09/30/2021 04:01 PM | source: | 4 comment(s)

Meet the Predator GM7000 2TB NVMe SSD. It does not come equipped with a Phison PS5018-E18 controller, as it turns out. The Acer SSD GM7000 Series features a high-performance PCIe-to-NAND controller to manage a full PCIe Gen 4 (16 Gb/s) x 4 bandwidth with the host while handling multiple NAND flash memory devices on eight channels, achieving extremely fast read and even write speeds of up to 6~7 GB/sec.

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Mufflore
Senior Member

Posts: 13140
Joined: 2010-05-22

#5950763 Posted on: 10/01/2021 01:09 AM

Mufflore
Senior Member

Posts: 13140
Joined: 2010-05-22

#5950764 Posted on: 10/01/2021 01:18 AM

https://www.guru3d.com/articles-pages/acer-predator-gm7000-2tb-nvme-pcie-4-ssd-review,14.html
Sadly the 4K performance of this new drive isnt so good at 4K transfers which is what matters for OS use.
My Sabrent TLC 1TB pcie gen 3 is a lot faster at most things, slightly slower at Q1T1 reads.

ie
The Sabrent tests were taken on my old 6700K system, they will no doubt be a bit faster on a newer system:
GM7000 vs Sabrent TLC 1TB

4KB Q32T1
Read 644.15 vs 957.3
Write 488.38 vs 846.0

4K Q1T1
Read 74.61 vs 67.00
Write 251.36 vs 389.7

ps
also take care when comparing results.
Many results show Q32T1 figures, others show Q32T16.
They are not comparable.

Darksword
Member

Posts: 46
Joined: 2014-09-01

#5950777 Posted on: 10/01/2021 03:07 AM

What's the prohibiting factor for the manufacturers to not just increase the cache size? Is it physical space, cost, lack of demand?

Would doubling the cache allow writes up to 66% of the disk before dropping off? Sorry for the dumb questions, but I'm just not sure why the cache can't be increased if that's what all drives seem to suffer from.

Hilbert Hagedoorn
Don Vito Corleone

Posts: 42465
Joined: 2000-02-22

#5950816 Posted on: 10/01/2021 08:57 AM

Hi Hilbert, you wanted to know where things are broken...
Here is another article that doesnt link to its thread.

I clicked the link at the top of the page that says (0 comments) and it takes me here
https://www.guru3d.com/articles-summary/acer-predator-gm7000-2tb-nvme-pcie-4-ssd-review.html
fyi

Yeah, that's expected behavior. That's a link page that will display comments.. However, when you looked, there were not any comments just yet. I guess you expect to get dropped directly into the forums. Check the link again, you will see the comments.

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