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美光 Micron 3400 是面向 OEM 电脑厂商的 M.2 2280 PCIe Gen4 NVMe SSD,提供 512GB、1TB 和 2TB 容量。它的官方顺序读取标称值均为 6,600 MB/s,但 StorageReview 在 2022 年测试的 1TB 样品,合成测试顺序读写峰值约为 3.4GB/s 和 1.25GB/s。它更适合按具体电脑配置和保修条件评估,而不是只凭规格表上的速度判断是否值得买。

Micron 3400 是什么类型的 SSD?

Micron 3400 是美光客户端 OEM 产品线中的 NVMe 固态硬盘,目标设备包括工作站、游戏电脑和企业 PC。美光将其列入面向整机厂商的产品组合;StorageReview 测试样品来自 HP Z2 Mini G9。美光产品页与美光关于客户端 SSD 产品组合的博客可查看产品定位。

因此,3400 常见于预装电脑,也可能以拆机或 OEM 渠道单独出售。单独购买时,卖家提供的盘未必拥有与零售消费级 SSD 相同的销售、退换和保修安排;须以该商品和整机的实际条款为准。

Micron 3400 规格与容量差异

美光 2021 年产品简报列出 M.2 22×80mm(即 2280)尺寸、PCIe Gen4、NVMe 1.4 接口规格。该简报注明规格可能变更,表中速度与耐久度是厂商标称值,不代表每台主机、每种负载下都能达到的实测结果。详见Micron 3400 产品简报。

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#1 Best Overall
Micron 3400 512 GB Solid State Drive - M.2 2280 Internal - PCI Express NVMe (PCI Express NVMe 4.0), 0.9"x3.1"
  • With a capacity of 512 GB, you have large storage space for all your documents and data
  • 256-bit encryption protects your PC from hackers and thieves by encoding all your data
  • With the stunning reading speed of 6600 MB/s, get faster boot times and improved overall computing performance
  • Write speed of 3600 MB/s enables you to perform write-related tasks in seconds rather than minutes
  • PCI Express NVMe 4.0 interface provides quick data transfer and greater throughput
容量 标称顺序读取 标称顺序写入 标称随机读取 标称耐久度
512GB 6,600 MB/s 3,600 MB/s 360K IOPS 300 TBW
1TB 6,600 MB/s 5,000 MB/s 630K IOPS 600 TBW
2TB 6,600 MB/s 5,000 MB/s 720K IOPS 1,200 TBW

同一份 2021 年简报还列出全系列标称随机写入 700K IOPS、典型读取延迟 55µs 和典型写入延迟 14µs。容量规格会影响标称顺序写入与随机读取表现;如果是在同一系列中选择,应先按所需容量筛选,再考虑实际用途与主机支持。

StorageReview 的实测表现如何?

StorageReview 于 2022 年 4 月 12 日发布了 1TB 样品评测。该样品在其合成测试中的峰值顺序读取约为 3,400 MB/s,顺序写入约为 1.25 GB/s;4K 随机读取峰值为 396K IOPS,随机写入峰值为 206K IOPS。评测认为,3400 在合成测试中的总体表现落后于同组主流 Gen4 SSD。

这些测试数值不能直接当作与美光标称值同条件的对照:测试负载、队列设置和预处理方式不同,尤其顺序读写数字并不构成对厂商规格的逐项复测。StorageReview 当时将 3400 与 Corsair MP600 Pro XT、Kingston KC3000、Sabrent Rocket 4 Plus、Samsung 980 Pro、Seagate Firecuda 530 和 WD SN850 同组比较;这只能说明该次评测的比较范围,不代表这些型号目前的价格或市场排名。完整测试方法和结果见StorageReview 的 Micron 3400 评测。

SQL Server 测试结果

在另一项工作负载中,StorageReview 使用 Windows Server 2012 R2 客户机、SQL Server 2014 和 15,000 个虚拟用户测试 1TB 样品,测得平均延迟为 5ms,在当次参测组中居中。这个结果对应特定服务器测试环境,不应直接外推为普通桌面应用或游戏中的延迟表现。

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Rank #3
Micron 3400 512 GB Solid State Drive - M.2 2280 Internal - PCI Express NVMe [PCI Express NVMe 4.0]
  • High Capacity: 512GB solid state drive provides ample storage for your gaming or personal needs
  • Fast Data Transfer: PCIe NVMe interface delivers high-speed data transfer rates up to 3840GB/s
  • Compact and Portable: M.2 form factor measures just 22mm wide and weighs only 5.2oz
  • Reliable Performance: Built with Micron's quality NAND flash memory and advanced firmware
  • Easy Installation: Internal drive connects via PCIe NVMe interface for quick and simple installation

实际使用中应如何理解这些结果?

规格表显示的是产品设计的标称能力,评测则是在具体平台和工作负载下测得的结果。对日常启动、游戏加载或文件操作,单凭两组顺序速度数字不足以判断真实体验差距;当前材料没有提供同一台电脑、同一负载下的 3400 与其他 SSD 对比结果。若核心工作是持续写入或专业应用,宜优先寻找与自己的任务和平台相符的对照测试,而非将厂商标称速度视为保证。

购买或替换前要核对什么?

  1. 核对尺寸与接口:确认电脑有可用的 M.2 2280 插槽,并支持 PCIe/NVMe SSD。M.2 是外形规格名称,不能单凭插槽外观推定它支持 NVMe;检查电脑或主板的规格说明。
  2. 确认整机限制:查看电脑厂商对可安装 SSD、可更换部件及保修的规定。OEM 设备可能有特定配置或服务条款。
  3. 确认实际卖出的盘和售后:向卖家核实容量、盘的来源、退换条件以及保修由谁提供。StorageReview 在其 2022 年评测中记录,3400 没有独立公开保修,保修随整机销售;这不是对所有销售渠道或当前条款的保证,具体应以购买时的整机或卖家条款为准。
  4. 按用途选择容量:512GB、1TB 和 2TB 的标称顺序写入与耐久度不同,按需要的空间和预计写入量选择,不要把更高容量的标称值套用到较小容量型号。
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结论:Micron 3400 值不值得买?

如果 3400 已安装在电脑里,或你能确认它与主机兼容且售后条件清楚,它可以作为这台 OEM 设备中的 PCIe Gen4 NVMe SSD 使用。若打算单独购买,关键是核实具体容量、M.2 2280 与 NVMe/PCIe 兼容性、退换和保修归属。现有独立评测显示,1TB 样品的合成顺序读写峰值明显低于标称顺序速度,且评测认为其综合合成表现落后于当时参测的主流 Gen4 SSD;不要只因规格表的 6,600 MB/s 读取标称值就将它视为高性能零售盘。

Quick Recap

Bestseller No. 1
Micron 3400 512 GB Solid State Drive - M.2 2280 Internal - PCI Express NVMe (PCI Express NVMe 4.0), 0.9'x3.1'
Micron 3400 512 GB Solid State Drive - M.2 2280 Internal - PCI Express NVMe (PCI Express NVMe 4.0), 0.9"x3.1"
With a capacity of 512 GB, you have large storage space for all your documents and data; 256-bit encryption protects your PC from hackers and thieves by encoding all your data
$168.45
Bestseller No. 3
Micron 3400 512 GB Solid State Drive - M.2 2280 Internal - PCI Express NVMe [PCI Express NVMe 4.0]
Micron 3400 512 GB Solid State Drive - M.2 2280 Internal - PCI Express NVMe [PCI Express NVMe 4.0]
Compact and Portable: M.2 form factor measures just 22mm wide and weighs only 5.2oz; Reliable Performance: Built with Micron's quality NAND flash memory and advanced firmware
$99.00
Bestseller No. 4
Micron SSD 1TB 3400 M.2 2280 NVMe PCIe 4.0 Gen4 x4 MTFDKBA1T0TFH Solid State Drive for Laptop Desktop Ultrabook PS5 Console
Micron SSD 1TB 3400 M.2 2280 NVMe PCIe 4.0 Gen4 x4 MTFDKBA1T0TFH Solid State Drive for Laptop Desktop Ultrabook PS5 Console
Sequential read/write up to (MB/s): 6600/5000; Random read/write up to (IOPS): 630K/700K; Form factor, Interface: M.2 2280, NVMe PCIe 4.0 Gen4 x4 (backward compatible with Gen3 x4)
$229.00
Bestseller No. 5
Micron SSD 2TB 3400 M.2 2280 NVMe PCIe 4.0 Gen4 x4 MTFDKBA2T0TFH Solid State Drive for Laptop Desktop Ultrabook
Micron SSD 2TB 3400 M.2 2280 NVMe PCIe 4.0 Gen4 x4 MTFDKBA2T0TFH Solid State Drive for Laptop Desktop Ultrabook
Interface/form factor: PCIe 4.0 Gen4 x4, M.2 2280; Sequential read/write up to (MB/s): 6600/5000
$345.00
Best Value
Micron SSD 2TB 3400 M.2 2280 NVMe PCIe 4.0 Gen4 x4 MTFDKBA2T0TFH Solid State Drive for Laptop Desktop Ultrabook
  • Interface/form factor: PCIe 4.0 Gen4 x4, M.2 2280
  • Sequential read/write up to (MB/s): 6600/5000
  • Random read/write up to (IOPS): 720K/700K
  • MTTF: 2.0 million hours
  • Compatibility: all systems supporting M.2 2280 PCIe 4.0/3.0. Note: SSD will run in slower speed if installed in PCIe 3.0 system
Rank #4
Micron SSD 1TB 3400 M.2 2280 NVMe PCIe 4.0 Gen4 x4 MTFDKBA1T0TFH Solid State Drive for Laptop Desktop Ultrabook PS5 Console
  • Sequential read/write up to (MB/s): 6600/5000
  • Random read/write up to (IOPS): 630K/700K
  • Form factor, Interface: M.2 2280, NVMe PCIe 4.0 Gen4 x4 (backward compatible with Gen3 x4)
  • MTTF: 2.0 Million Hours
  • Compatibility: all systems with M.2 2280 NVMe PCIe slot

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