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Qnap 双 M.2 22110/2280 SATA SSD 扩展卡(PCIe Gen2 X 2),半高支架预安装,低调平和全高捆绑 PCIe Gen2x4, M.2 PCIe SSD X 2
Qnap QM2-2P-244A Dual M.2 22110/2280 Pcie SSD Expansion Card (PCIe Gen2 X4), Low-Profile Bracket Pre-Loaded, Low-Profile Flat and Full-Height are Bundled

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QM2-2P-244A
12期7.5%费率,每月仅 ¥95.06 最高12期,多种分期方式可选 了解更多
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3至12期分期付款
由花呗分期提供
分期计划 手续费 总金额
¥353.37×3期 ¥0.00 (0.0%) ¥1,060.11
¥184.67×6期 ¥47.71 (4.5%) ¥1,107.82
¥95.06×12期 ¥79.51 (7.5%) ¥1,139.62
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提升您的购买力

  • 连接器:2 个 M.2 22110 或 2280 PCIe (Gen 2 x4) NVMe SSD 插槽。
  • PCIe 和通道:PCIe Gen2 x4
  • 支架:低调预装,低剖面扁平和全高均捆绑。不包括标准的 M.2 SSD。
    • Connector: 2 x M.2 22110 or 2280 PCIe (Gen 2 x4) NVMe SSD Slots
    • PCIe and lanes: PCIe Gen2 x4
    • Bracket: low-profile pre-loaded, low-profile flat and Full-height are bundled. * M.2 SSDs are not included as standard
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生产商提供信息

Model Name QM2-2S-220A QM2-2P-244A QM2-2P-344 QM2-2P-384 QM2-2S10G1T QM2-2P10G1T
# of M.2 SSDs 2 2 2 2 2 2
Connector of M.2 SSDs SATA PCIe Gen.2 x4 PCIe Gen.3 x4 PCEi Gen.3 x8 SATA PCIe Gen.2 x4
Length of M.2 SSDs 22110/2280 22110/2280 22110/2280 22110/2280 2280 2280
10GbE port

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1 个顾客评论

2020年12月19日
尺寸: PCIe Gen2x4, M.2 PCIe SSD X 2样式: QM2-2P-244A已确认购买

此商品在美国亚马逊上最有用的商品评论

美国亚马逊: 4.1 颗星,最多 5 颗星 68 条评论
Annazon Customer
5.0 颗星,最多 5 颗星 PC Compatible, Does NOT Require PCIe Bifurcation
2018年8月14日 - 已在美国亚马逊上发表
尺寸: PCIe Gen3x4, M.2 PCIe SSD X 2, PCIe Gen3 x4 host样式: QM2-2P-344已确认购买
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Annazon Customer
5.0 颗星,最多 5 颗星 PC Compatible, Does NOT Require PCIe Bifurcation
评论于 2018年8月14日 在美国 🇺🇸 发布
Pros
• PC compatible - Not only for QNAP systems
• PLX bridge chip - Does not require a motherboard w/PCIe bifurcation
• Bootable
• No special driver required - Windows detects and auto installs drivers
• Heatsink + fan included

Cons
• Ineffective heatsink and fan design
• Performance drop in 4k >1 thread synthetic benchmarks

I have tested both the QM2-2P-344 and QM2-2P-384 on Windows PCs. There are no observable performance penalties in single SSD configuration compared to a passive single slot PCIe SSD adapter. These QNAP adapters are essentially an Aplicata Quad M.2 NVMe SSD PCIe x8 Adapter (B01MTU75X4) with 2 slots. If you're looking for a quad m.2 adapter, the QM2-4P-384A (B07CVGZZCT) should be comparable with the Aplicata in terms of functionality and performance.

SSDs run ~8°C cooler compared to no heatsink/fan. The heatsink is quite beefy and appears to be made of pure copper. Unfortunately, more than half the airflow coming from the fan is escaping through the sides and end of the card. I will need to 3D print a fan shroud to redirect all the airflow along the length of the card. This will be for a future project when I have time.

There is a performance drop in 4k synthetic benchmarks when both SSDs are being accessed at the same time. This appears to be a limitation of the PLX bridge chip. I have observed this on multiple systems with different SSDs. Perhaps someone can shed some light on this phenomenon?

Overall, I would recommend this card to anyone looking for a multi-m.2 PCIe SSD adapter. This card is for anyone that requires additional m.2 PCIe SSD slots on a motherboard that does not support PCIe bifurcation. At the time of this review, I am only aware of 2 brands (QNAP and Aplicata) with cards that support these features.

Test Setup
QM2-2P-344
(2) Intel Optane Memory Module 32 GB PCIe M.2 80mm MEMPEK1W032GAXT
Z97 Extreme6/3.1 bios v1.50
Intel Core i7-4790K @ 4.7 GHz
32 GB DDR3 2400 MHz
Samsung 950 PRO 512 GB (OS drive)
Windows 10 Pro build 1803

CrystalDiskMark 6.0.1
• Single (baseline reading)
• 2 SSDs at the same time
• Windows striped volume
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70 个人发现此评论有用
Tim
4.0 颗星,最多 5 颗星 Feels a little overpriced but worth it for a QNAP NAS
2020年7月21日 - 已在美国亚马逊上发表
尺寸: PCIe Gen2x4, M.2 PCIe SSD X 2样式: QM2-2P-244A已确认购买
23 个人发现此评论有用
Eric James Beasley
3.0 颗星,最多 5 颗星 Does not work in QNAP TVS-871 PCIe 2x4 slot! Works if PCIe 3x8 slot is available. NOT According to QNAP statements
2018年4月13日 - 已在美国亚马逊上发表
已确认购买
16 个人发现此评论有用