{"id":18134,"date":"2024-03-25T08:00:11","date_gmt":"2024-03-25T00:00:11","guid":{"rendered":"https:\/\/www.varidata.com\/?p=18134"},"modified":"2025-03-10T10:52:05","modified_gmt":"2025-03-10T02:52:05","slug":"how-to-choose-ssds-for-us-server-hosting","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-cn\/blog\/how-to-choose-ssds-for-us-server-hosting\/","title":{"rendered":"\u5982\u4f55\u4e3a\u7f8e\u56fd\u670d\u52a1\u5668\u79df\u7528\u9009\u62e9\u56fa\u6001\u786c\u76d8\uff1f"},"content":{"rendered":"<p>\u5728\u4e0d\u65ad\u53d1\u5c55\u7684<a href=\"https:\/\/www.varidata.com\/zh-cn\/server\/us\/cn2\/\" target=\"_blank\">\u7f8e\u56fd\u670d\u52a1\u5668\u79df\u7528<\/a>\u548c\u670d\u52a1\u5668\u6258\u7ba1\u9886\u57df\uff0c\u9009\u62e9\u5408\u9002\u7684\u4f01\u4e1a\u7ea7\u56fa\u6001\u786c\u76d8\u5bf9\u4e8e\u7ef4\u6301\u6570\u636e\u4e2d\u5fc3\u8fd0\u8425\u7684\u7ade\u4e89\u4f18\u52bf\u53d8\u5f97\u81f3\u5173\u91cd\u8981\u3002\u672c\u6280\u672f\u6df1\u5ea6\u63a2\u8ba8\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u670d\u52a1\u5668\u7ea7\u56fa\u6001\u786c\u76d8\u7684\u7279\u70b9\uff0c\u5e76\u63d0\u4f9b\u4e0e\u60a8\u7684\u57fa\u7840\u8bbe\u65bd\u76f8\u5173\u7684\u6027\u80fd\u6307\u6807\u548c\u5b9e\u9645\u57fa\u51c6\u6d4b\u8bd5\u6570\u636e\u3002<\/p>\n<h2><strong>\u7406\u89e3\u4f01\u4e1a\u7ea7\u56fa\u6001\u786c\u76d8\u57fa\u7840\u77e5\u8bc6<\/strong><\/h2>\n<p>\u4f01\u4e1a\u7ea7\u56fa\u6001\u786c\u76d8\u4e0e\u6d88\u8d39\u7ea7\u786c\u76d8\u7684\u6839\u672c\u533a\u522b\u5728\u4e8e\u5176\u5148\u8fdb\u7684\u9519\u8bef\u4fee\u6b63\u3001\u65ad\u7535\u4fdd\u62a4\u548c\u589e\u5f3a\u7684\u8010\u7528\u6027\u3002\u8ba9\u6211\u4eec\u6765\u7814\u7a76\u5b9a\u4e49\u670d\u52a1\u5668\u7ea7\u5b58\u50a8\u6027\u80fd\u7684\u6838\u5fc3\u6280\u672f\u89c4\u683c\u3002<\/p>\n<h2><strong>\u63a5\u53e3\u6280\u672f\u548c\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n<p>\u73b0\u4ee3\u670d\u52a1\u5668\u56fa\u6001\u786c\u76d8\u4f7f\u7528\u4e09\u79cd\u4e3b\u8981\u63a5\u53e3\uff0c\u6bcf\u79cd\u90fd\u5177\u6709\u72ec\u7279\u7684\u6027\u80fd\u7279\u5f81\uff1a<\/p>\n<pre><code>\r\n\u63a5\u53e3\u7c7b\u578b        | \u6700\u5927\u987a\u5e8f\u8bfb\u53d6\u901f\u5ea6  | \u6700\u5927\u987a\u5e8f\u5199\u5165\u901f\u5ea6 | \u5178\u578b\u5ef6\u8fdf\r\n----------------|---------------------|--------------------|-----------------\r\nSATA III        | 550 MB\/s           | 520 MB\/s           | 0.5ms\r\nSAS-3           | 1,200 MB\/s         | 1,000 MB\/s         | 0.4ms\r\nPCIe 4.0 NVMe   | 7,000 MB\/s         | 6,850 MB\/s         | 0.02ms\r\n<\/code><\/pre>\n<h2><strong>\u4f01\u4e1a\u7ea7\u56fa\u6001\u786c\u76d8\u8010\u4e45\u6027\u6307\u6807<\/strong><\/h2>\n<p>\u7406\u89e3\u8010\u4e45\u6027\u89c4\u683c\u5bf9\u670d\u52a1\u5668\u90e8\u7f72\u81f3\u5173\u91cd\u8981\u3002\u5173\u952e\u6307\u6807\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>DWPD\uff08\u6bcf\u65e5\u9a71\u52a8\u5668\u5199\u5165\u6b21\u6570\uff09\uff1a\u5927\u591a\u6570\u4f01\u4e1a\u7ea7\u56fa\u6001\u786c\u76d8\u63d0\u4f9b1-10 DWPD<\/li>\n<li>TBW\uff08\u603b\u5199\u5165\u5b57\u8282\u6570\uff09\uff1a\u8ba1\u7b97\u516c\u5f0f\uff1aDWPD \u00d7 \u9a71\u52a8\u5668\u5bb9\u91cf \u00d7 365 \u00d7 \u4fdd\u4fee\u5e74\u9650<\/li>\n<li>MTBF\uff08\u5e73\u5747\u6545\u969c\u95f4\u9694\u65f6\u95f4\uff09\uff1a\u4f01\u4e1a\u6807\u51c6\u8981\u6c42200\u4e07\u5c0f\u65f6\u4ee5\u4e0a<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u57fa\u4e8e\u60a8\u89c4\u683c\u8ba1\u7b97TBW\u7684Python\u811a\u672c\uff1a<\/p>\n<pre><code>\r\ndef calculate_tbw(capacity_tb, dwpd, warranty_years):\r\n    tbw = capacity_tb * 1024 * dwpd * 365 * warranty_years\r\n    return f\"\u603b\u5199\u5165\u5b57\u8282\u6570 (TBW): {tbw:,} TB\"\r\n\r\n# \u4f7f\u7528\u793a\u4f8b\r\nserver_ssd = calculate_tbw(\r\n    capacity_tb=3.84,  # 3.84TB\u56fa\u6001\u786c\u76d8\r\n    dwpd=3,           # 3 DWPD\r\n    warranty_years=5   # 5\u5e74\u4fdd\u4fee\r\n)\r\nprint(server_ssd)\r\n<\/code><\/pre>\n<h2><strong>\u5de5\u4f5c\u8d1f\u8f7d\u7279\u5b9a\u8003\u8651\u56e0\u7d20<\/strong><\/h2>\n<p>\u4e0d\u540c\u7684\u670d\u52a1\u5668\u79df\u7528\u573a\u666f\u9700\u8981\u7279\u5b9a\u7684\u56fa\u6001\u786c\u76d8\u7279\u6027\u3002\u4ee5\u4e0b\u662f\u5e38\u89c1\u5de5\u4f5c\u8d1f\u8f7d\u6a21\u5f0f\u7684\u6280\u672f\u7ec6\u5206\uff1a<\/p>\n<ul>\n<li>\u6570\u636e\u5e93\u6258\u7ba1\uff1a\u4f18\u5148\u8003\u8651\u9ad8DWPD\uff085+\uff09\u548c\u7a33\u5b9a\u7684I\/O\u6027\u80fd<\/li>\n<li>\u7f51\u7ad9\u6258\u7ba1\uff1a\u6ce8\u91cd\u6df7\u5408\u8bfb\u5199\u6027\u80fd\uff0c\u9002\u4e2dDWPD\uff081-3\uff09<\/li>\n<li>\u5185\u5bb9\u5206\u53d1\uff1a\u4f18\u5316\u8bfb\u5bc6\u96c6\u578b\u64cd\u4f5c\u548c\u5bb9\u91cf<\/li>\n<li>\u865a\u62df\u673a\u6258\u7ba1\uff1a\u5e73\u8861IOPs\u548c\u4e00\u81f4\u7684\u5ef6\u8fdf\u54cd\u5e94<\/li>\n<\/ul>\n<h2><strong>\u6027\u80fd\u5206\u6790\u548c\u9009\u62e9\u6807\u51c6<\/strong><\/h2>\n<p>\u5bf9\u4e8e\u4f01\u4e1a\u7ea7\u56fa\u6001\u786c\u76d8\u7684\u9009\u62e9\uff0c\u6211\u4eec\u9700\u8981\u5206\u6790\u7efc\u5408\u57fa\u51c6\u6d4b\u8bd5\u548c\u5b9e\u9645\u6027\u80fd\u6307\u6807\u3002\u8ba9\u6211\u4eec\u7814\u7a76\u4e00\u4e2a\u5168\u9762\u7684\u8bc4\u4f30\u6846\u67b6\u3002<\/p>\n<pre><code>\r\n\/\/ I\/O\u6027\u80fd\u76d1\u63a7\u811a\u672c\u793a\u4f8b\r\nfunction analyzeSSDPerformance(diskPath) {\r\n    const metrics = {\r\n        randomRead: async () => {\r\n            \/\/ 4K\u968f\u673a\u8bfb\u53d6QD32\r\n            return await fio.run({\r\n                filename: diskPath,\r\n                rw: 'randread',\r\n                bs: '4k',\r\n                iodepth: 32,\r\n                runtime: 60\r\n            });\r\n        },\r\n        sustainedWrite: async () => {\r\n            \/\/ \u6301\u7eed\u5199\u5165\u6d4b\u8bd5\r\n            return await fio.run({\r\n                filename: diskPath,\r\n                rw: 'write',\r\n                bs: '128k',\r\n                runtime: 3600\r\n            });\r\n        }\r\n    };\r\n    return metrics;\r\n}\r\n<\/code><\/pre>\n<h2><strong>\u6210\u672c\u6027\u80fd\u4f18\u5316<\/strong><\/h2>\n<p>\u4f01\u4e1a\u5b58\u50a8\u6210\u672c\u5fc5\u987b\u4e0e\u6027\u80fd\u9700\u6c42\u4fdd\u6301\u5e73\u8861\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u6570\u636e\u9a71\u52a8\u7684\u603b\u62e5\u6709\u6210\u672c\u8ba1\u7b97\u5668\uff1a<\/p>\n<pre><code>\r\nclass SSDTotalCostCalculator {\r\n    constructor(capacity, price, powerConsumption, expectedLife) {\r\n        this.capacity = capacity;        \/\/ TB\r\n        this.price = price;              \/\/ \u7f8e\u5143\r\n        this.powerConsumption = powerConsumption;  \/\/ \u74e6\u7279\r\n        this.expectedLife = expectedLife;  \/\/ \u5e74\r\n    }\r\n\r\n    calculateAnnualPowerCost(kwhPrice = 0.12) {\r\n        const hoursPerYear = 8760;\r\n        const powerCost = (this.powerConsumption * hoursPerYear * kwhPrice) \/ 1000;\r\n        return powerCost;\r\n    }\r\n\r\n    calculateTCO() {\r\n        const annualPower = this.calculateAnnualPowerCost();\r\n        return this.price + (annualPower * this.expectedLife);\r\n    }\r\n}\r\n\r\n\/\/ DC P5600\u7cfb\u5217\u4f7f\u7528\u793a\u4f8b\r\nconst enterpriseSSD = new SSDTotalCostCalculator(3.84, 899, 7, 5);\r\nconst tco = enterpriseSSD.calculateTCO();\r\n<\/code><\/pre>\n<h2><strong>RAID\u914d\u7f6e\u6700\u4f73\u5b9e\u8df5<\/strong><\/h2>\n<p>\u4f01\u4e1a\u90e8\u7f72\u901a\u5e38\u9700\u8981\u7279\u5b9a\u7684RAID\u914d\u7f6e\u4ee5\u83b7\u5f97\u6700\u4f73\u6027\u80fd\u548c\u5197\u4f59\u3002\u8003\u8651\u8fd9\u4e9b\u7ecf\u8fc7\u6d4b\u8bd5\u7684\u914d\u7f6e\uff1a<\/p>\n<ul>\n<li>RAID 1+0\uff1a\u63a8\u8350\u7528\u4e8e\u9ad8\u6027\u80fd\u6570\u636e\u5e93\u6258\u7ba1<\/li>\n<li>RAID 5\uff1a\u9002\u7528\u4e8e\u901a\u7528\u7f51\u7ad9\u6258\u7ba1<\/li>\n<li>RAID 6\uff1a\u9002\u7528\u4e8e\u5927\u5bb9\u91cf\u5b58\u50a8\u9635\u5217<\/li>\n<\/ul>\n<p>\u4e0d\u540cRAID\u7ea7\u522b\u7684\u6027\u80fd\u5f71\u54cd\uff1a<\/p>\n<pre><code>\r\nRAID\u7ea7\u522b | \u8bfb\u53d6\u6027\u80fd | \u5199\u5165\u6027\u80fd | \u5197\u4f59\u6027 | \u5bb9\u91cf\u6548\u7387\r\n---------|---------|----------|--------|----------\r\nRAID 0   | \u6781\u4f73     | \u6781\u4f73     | \u65e0     | 100%\r\nRAID 1   | \u6781\u4f73     | \u826f\u597d     | \u9ad8     | 50%\r\nRAID 5   | \u5f88\u597d     | \u826f\u597d     | \u4e2d\u7b49   | 67-94%\r\nRAID 6   | \u5f88\u597d     | \u4e2d\u7b49     | \u5f88\u9ad8   | 50-88%\r\nRAID 10  | \u6781\u4f73     | \u5f88\u597d     | \u9ad8     | 50%\r\n<\/code><\/pre>\n<p>\u5728\u5b9e\u65bdRAID\u914d\u7f6e\u65f6\uff0c\u9700\u8981\u76d1\u63a7\u4ee5\u4e0b\u5173\u952e\u6307\u6807\uff1a<\/p>\n<ul>\n<li>\u5199\u5165\u653e\u5927\u7cfb\u6570 (WAF)<\/li>\n<li>\u9635\u5217\u95f4\u5ef6\u8fdf\u4e00\u81f4\u6027<\/li>\n<li>IOPS\u5206\u5e03<\/li>\n<li>\u8d1f\u8f7d\u4e0b\u7684\u6e29\u5ea6\u6a21\u5f0f<\/li>\n<\/ul>\n<h2><strong>\u9ad8\u7ea7\u6027\u80fd\u76d1\u63a7<\/strong><\/h2>\n<p>\u4e3a\u4f01\u4e1a\u7ea7\u56fa\u6001\u786c\u76d8\u5b9e\u65bd\u5f3a\u5927\u7684\u76d1\u63a7\u7cfb\u7edf\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Prometheus\u548cNode Exporter\u7684\u5b9e\u7528\u76d1\u63a7\u8bbe\u7f6e\uff1a<\/p>\n<pre><code>\r\n# Prometheus\u56fa\u6001\u786c\u76d8\u76d1\u63a7\u914d\u7f6e\r\nscrape_configs:\r\n  - job_name: 'node_exporter'\r\n    static_configs:\r\n      - targets: ['localhost:9100']\r\n    metrics_path: '\/metrics'\r\n    params:\r\n      collect[]:\r\n        - diskstats\r\n        - node\r\n        - smart_stats\r\n\r\n# \u56fa\u6001\u786c\u76d8\u5065\u5eb7\u76d1\u63a7\u7684PromQL\u67e5\u8be2\u793a\u4f8b\r\nrate(node_disk_written_bytes_total[1h]) # \u5199\u5165\u541e\u5410\u91cf\r\nrate(node_disk_io_time_seconds_total[5m]) # IOPS\r\nnode_disk_io_time_weighted_seconds_total # \u8bbe\u5907\u5229\u7528\u7387\r\n<\/code><\/pre>\n<h2><strong>\u4e0b\u4e00\u4ee3\u5b58\u50a8\u6280\u672f<\/strong><\/h2>\n<p>\u5b58\u50a8\u9886\u57df\u6b63\u5728\u968f\u7740\u65b0\u5174\u6280\u672f\u7684\u53d1\u5c55\u800c\u6539\u53d8\uff0c\u8fd9\u4e9b\u6280\u672f\u5c06\u91cd\u5851\u670d\u52a1\u5668\u79df\u7528\u80fd\u529b\uff1a<\/p>\n<ul>\n<li>PCIe 5.0\u56fa\u6001\u786c\u76d8\uff1a\u7406\u8bba\u541e\u5410\u91cf\u8fbe14 GB\/s<\/li>\n<li>CXL\uff08\u8ba1\u7b97\u5feb\u901f\u94fe\u63a5\uff09\u96c6\u6210<\/li>\n<li>\u5206\u533a\u547d\u540d\u7a7a\u95f4\uff08ZNS\uff09\u6539\u5584\u5199\u5165\u653e\u5927<\/li>\n<li>\u8ba1\u7b97\u5b58\u50a8\u80fd\u529b<\/li>\n<\/ul>\n<h2><strong>\u56fa\u6001\u786c\u76d8\u9009\u62e9\u51b3\u7b56\u77e9\u9635<\/strong><\/h2>\n<p>\u4f7f\u7528\u8fd9\u4e2a\u7efc\u5408\u51b3\u7b56\u77e9\u9635\u8fdb\u884c\u4f01\u4e1a\u7ea7\u56fa\u6001\u786c\u76d8\u9009\u62e9\uff1a<\/p>\n<pre><code>\r\ntype WorkloadProfile struct {\r\n    ReadWriteRatio    float64\r\n    IOPSRequirement   int\r\n    LatencyThreshold  float64\r\n    BudgetPerTB       float64\r\n}\r\n\r\nfunc recommendSSDType(profile WorkloadProfile) string {\r\n    switch {\r\n    case profile.IOPSRequirement > 1000000:\r\n        return \"NVMe PCIe 4.0\/5.0\u4f01\u4e1a\u7ea7\u56fa\u6001\u786c\u76d8\"\r\n    case profile.LatencyThreshold < 0.1:\r\n        return \"NVMe PCIe 4.0\u6570\u636e\u4e2d\u5fc3\u56fa\u6001\u786c\u76d8\"\r\n    case profile.ReadWriteRatio > 0.8:\r\n        return \"\u8bfb\u5bc6\u96c6\u578bSATA\/SAS\u56fa\u6001\u786c\u76d8\"\r\n    default:\r\n        return \"\u6df7\u5408\u7528\u9014SATA\u4f01\u4e1a\u7ea7\u56fa\u6001\u786c\u76d8\"\r\n    }\r\n}\r\n<\/code><\/pre>\n<h2><strong>\u6700\u7ec8\u5efa\u8bae\u548c\u6700\u4f73\u5b9e\u8df5<\/strong><\/h2>\n<p>\u5728\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\u90e8\u7f72\u4f01\u4e1a\u7ea7\u56fa\u6001\u786c\u76d8\u65f6\uff0c\u8bf7\u8003\u8651\u4ee5\u4e0b\u5173\u952e\u56e0\u7d20\uff1a<\/p>\n<ul>\n<li>\u8fc7\u5ea6\u914d\u7f6e\uff1a\u4fdd\u630120-30%\u7684\u53ef\u7528\u7a7a\u95f4\u4ee5\u83b7\u5f97\u6700\u4f73\u6027\u80fd<\/li>\n<li>\u6e29\u5ea6\u76d1\u63a7\uff1a\u4fdd\u6301\u8fd0\u884c\u6e29\u5ea6\u4f4e\u4e8e70\u00b0C<\/li>\n<li>\u5b9a\u671f\u56fa\u4ef6\u66f4\u65b0\uff1a\u5728\u4f4e\u6d41\u91cf\u671f\u95f4\u5b89\u6392\u66f4\u65b0\u65f6\u95f4<\/li>\n<li>\u5907\u4efd\u7b56\u7565\uff1a\u4e3a\u5173\u952e\u7cfb\u7edf\u5b9e\u65bdN+1\u5197\u4f59<\/li>\n<\/ul>\n<p>\u4e3a\u83b7\u5f97\u6700\u4f73\u670d\u52a1\u5668\u79df\u7528\u6027\u80fd\uff0c\u8bf7\u5b9e\u65bd\u8fd9\u4e9b\u7ecf\u8fc7\u9a8c\u8bc1\u7684\u914d\u7f6e\uff1a<\/p>\n<pre><code>\r\n# \u4f01\u4e1a\u7ea7\u56fa\u6001\u786c\u76d8\u7684\u63a8\u8350fstrim\u8ba1\u5212\r\n# \/etc\/systemd\/system\/fstrim.timer\r\n[Unit]\r\nDescription=\u6bcf\u5468\u56fa\u6001\u786c\u76d8\u4fee\u526a\r\n\r\n[Timer]\r\nOnCalendar=weekly\r\nAccuracySec=1h\r\nPersistent=true\r\n\r\n[Install]\r\nWantedBy=timers.target\r\n<\/code><\/pre>\n<h2><strong>\u7ed3\u8bba<\/strong><\/h2>\n<p>\u4e3a\u670d\u52a1\u5668\u79df\u7528\u9009\u62e9\u5408\u9002\u7684\u4f01\u4e1a\u7ea7\u56fa\u6001\u786c\u76d8\u9700\u8981\u4ed4\u7ec6\u8003\u8651\u5de5\u4f5c\u8d1f\u8f7d\u6a21\u5f0f\u3001\u6027\u80fd\u9700\u6c42\u548c\u957f\u671f\u53ef\u9760\u6027\u6307\u6807\u3002\u968f\u7740\u6570\u636e\u4e2d\u5fc3\u5b58\u50a8\u9700\u6c42\u7684\u4e0d\u65ad\u53d1\u5c55\uff0c\u4fdd\u6301\u5bf9\u65b0\u5174\u6280\u672f\u548c\u5b9e\u65bd\u6700\u4f73\u5b9e\u8df5\u7684\u5173\u6ce8\uff0c\u5bf9\u4e8e\u4f18\u5316\u670d\u52a1\u5668\u6027\u80fd\u548c\u53ef\u9760\u6027\u53d8\u5f97\u8d8a\u6765\u8d8a\u91cd\u8981\u3002<\/p>\n<p>\u6709\u5173\u4f01\u4e1a\u7ea7\u56fa\u6001\u786c\u76d8\u5728\u670d\u52a1\u5668\u79df\u7528\u548c\u670d\u52a1\u5668\u6258\u7ba1\u73af\u5883\u4e2d\u7684\u8be6\u7ec6\u6027\u80fd\u57fa\u51c6\u6d4b\u8bd5\u548c\u5176\u4ed6\u6280\u672f\u89c4\u683c\uff0c\u8bf7\u53c2\u8003\u6211\u4eec\u5168\u9762\u7684\u6d4b\u8bd5\u65b9\u6cd5\u548c\u7ed3\u679c\u6570\u636e\u5e93\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u4e0d\u65ad\u53d1\u5c55\u7684\u7f8e\u56fd\u670d\u52a1\u5668\u79df\u7528\u548c\u670d\u52a1\u5668\u6258\u7ba1\u9886\u57df\uff0c\u9009\u62e9\u5408\u9002\u7684\u4f01\u4e1a\u7ea7\u56fa\u6001\u786c\u76d8\u5bf9\u4e8e\u7ef4\u6301\u6570\u636e\u4e2d\u5fc3\u8fd0\u8425\u7684\u7ade\u4e89\u4f18\u52bf\u53d8\u5f97\u81f3\u5173\u91cd\u8981\u3002\u672c\u6280\u672f\u6df1\u5ea6\u63a2\u8ba8\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u670d\u52a1\u5668\u7ea7\u56fa\u6001\u786c\u76d8\u7684\u7279\u70b9\uff0c\u5e76\u63d0\u4f9b\u4e0e\u60a8\u7684\u57fa\u7840\u8bbe\u65bd\u76f8\u5173\u7684\u6027\u80fd\u6307\u6807\u548c\u5b9e\u9645\u57fa\u51c6\u6d4b\u8bd5\u6570\u636e\u3002 \u7406\u89e3\u4f01\u4e1a\u7ea7\u56fa\u6001\u786c\u76d8\u57fa\u7840\u77e5\u8bc6 \u4f01\u4e1a\u7ea7\u56fa\u6001\u786c\u76d8\u4e0e\u6d88\u8d39\u7ea7\u786c\u76d8\u7684\u6839\u672c\u533a\u522b\u5728\u4e8e\u5176\u5148\u8fdb\u7684\u9519\u8bef\u4fee\u6b63\u3001\u65ad\u7535\u4fdd\u62a4\u548c\u589e\u5f3a\u7684\u8010\u7528\u6027\u3002\u8ba9\u6211\u4eec\u6765\u7814\u7a76\u5b9a\u4e49\u670d\u52a1\u5668\u7ea7\u5b58\u50a8\u6027\u80fd\u7684\u6838\u5fc3\u6280\u672f\u89c4\u683c\u3002 \u63a5\u53e3\u6280\u672f\u548c\u6027\u80fd\u6307\u6807 \u73b0\u4ee3\u670d\u52a1\u5668\u56fa\u6001\u786c\u76d8\u4f7f\u7528\u4e09\u79cd\u4e3b\u8981\u63a5\u53e3\uff0c\u6bcf\u79cd\u90fd\u5177\u6709\u72ec\u7279\u7684\u6027\u80fd\u7279\u5f81\uff1a \u63a5\u53e3\u7c7b\u578b | \u6700\u5927\u987a\u5e8f\u8bfb\u53d6\u901f\u5ea6 | \u6700\u5927\u987a\u5e8f\u5199\u5165\u901f\u5ea6 | \u5178\u578b\u5ef6\u8fdf &#8212;&#8212;&#8212;&#8212;&#8212;-|&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;|&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;|&#8212;&#8212;&#8212;&#8212;&#8212;&#8211; SATA III | 550 MB\/s | 520 MB\/s | 0.5ms SAS-3 | 1,200 MB\/s | 1,000 MB\/s | 0.4ms PCIe 4.0 NVMe | 7,000 MB\/s | 6,850 MB\/s | 0.02ms \u4f01\u4e1a\u7ea7\u56fa\u6001\u786c\u76d8\u8010\u4e45\u6027\u6307\u6807 \u7406\u89e3\u8010\u4e45\u6027\u89c4\u683c\u5bf9\u670d\u52a1\u5668\u90e8\u7f72\u81f3\u5173\u91cd\u8981\u3002\u5173\u952e\u6307\u6807\u5305\u62ec\uff1a DWPD\uff08\u6bcf\u65e5\u9a71\u52a8\u5668\u5199\u5165\u6b21\u6570\uff09\uff1a\u5927\u591a\u6570\u4f01\u4e1a\u7ea7\u56fa\u6001\u786c\u76d8\u63d0\u4f9b1-10 DWPD TBW\uff08\u603b\u5199\u5165\u5b57\u8282\u6570\uff09\uff1a\u8ba1\u7b97\u516c\u5f0f\uff1aDWPD \u00d7 \u9a71\u52a8\u5668\u5bb9\u91cf \u00d7 365 \u00d7 \u4fdd\u4fee\u5e74\u9650 MTBF\uff08\u5e73\u5747\u6545\u969c\u95f4\u9694\u65f6\u95f4\uff09\uff1a\u4f01\u4e1a\u6807\u51c6\u8981\u6c42200\u4e07\u5c0f\u65f6\u4ee5\u4e0a [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/www.varidata.com\/zh-cn\/blog\/how-to-choose-ssds-for-us-server-hosting\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":3,"featured_media":18131,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[76],"tags":[],"class_list":["post-18134","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5982\u4f55\u4e3a\u7f8e\u56fd\u670d\u52a1\u5668\u79df\u7528\u9009\u62e9\u56fa\u6001\u786c\u76d8\uff1f<\/title>\n<meta name=\"description\" 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