{"id":1691,"date":"2025-02-02T14:03:53","date_gmt":"2025-02-02T12:03:53","guid":{"rendered":"https:\/\/cln.io\/blog\/?p=1691"},"modified":"2026-03-08T18:00:27","modified_gmt":"2026-03-08T16:00:27","slug":"synology-ds923-ds1823xs-disk-benchmarks","status":"publish","type":"post","link":"https:\/\/cln.io\/blog\/synology-ds923-ds1823xs-disk-benchmarks\/","title":{"rendered":"Synology DS923+ \/ DS1823xs+ disk benchmarks"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Not really meant as a blog post, more like a note to myself in the future<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>NOTE: Claude 3.5 was used to create the overview table, otherwise no LLMs were used to generate this blog post<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Western Digital WD 18TB Ultrastar DC HC550 SATA 6Gb\/s 512e SE WUH721818ALE6L4<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ran on a DS1823xs+<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"810\" src=\"https:\/\/cln.io\/blog\/wp-content\/uploads\/2025\/02\/image-1024x810.png\" alt=\"\" class=\"wp-image-1692\" srcset=\"https:\/\/cln.io\/blog\/wp-content\/uploads\/2025\/02\/image-1024x810.png 1024w, https:\/\/cln.io\/blog\/wp-content\/uploads\/2025\/02\/image-300x237.png 300w, https:\/\/cln.io\/blog\/wp-content\/uploads\/2025\/02\/image-768x607.png 768w, https:\/\/cln.io\/blog\/wp-content\/uploads\/2025\/02\/image.png 1320w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<pre class=\"wp-block-code\"><code>\nRead Performance\n\tIOPS: 233\n\tThroughput: 266 MB\/s\n\tLatency: 11.5 ms\nWrite Performance\n\tIOPS: 1.2K\n\tThroughput: 236 MB\/s\n\tLatency: 934.0 \u00b5s<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Seagate IronWolf Pro, 22TB (ST22000NT001)&nbsp;<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ran on a DS923+<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"810\" src=\"https:\/\/cln.io\/blog\/wp-content\/uploads\/2025\/02\/image-1-1024x810.png\" alt=\"\" class=\"wp-image-1693\" srcset=\"https:\/\/cln.io\/blog\/wp-content\/uploads\/2025\/02\/image-1-1024x810.png 1024w, https:\/\/cln.io\/blog\/wp-content\/uploads\/2025\/02\/image-1-300x237.png 300w, https:\/\/cln.io\/blog\/wp-content\/uploads\/2025\/02\/image-1-768x607.png 768w, https:\/\/cln.io\/blog\/wp-content\/uploads\/2025\/02\/image-1.png 1320w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<pre class=\"wp-block-code\"><code>Read Performance\n\tIOPS: 239\n\tThroughput: 268 MB\/s\n\tLatency: 11.9 ms\nWrite Performance\n\tIOPS: 824\n\tThroughput: 255 MB\/s\n\tLatency: 1.2 ms<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Metric<\/th><th>WDC WUH721818ALE6L4 (DS1823xs+)<\/th><th>Seagate ST22000NT001-3LS101 (DS923+)<\/th><th>Winner<\/th><\/tr><\/thead><tbody><tr><td><strong>Read IOPS<\/strong><\/td><td>233 (-2.58%)<\/td><td>239 (+2.58%)<\/td><td>Seagate<\/td><\/tr><tr><td><strong>Read Throughput (MB\/s)<\/strong><\/td><td>266 (-0.75%)<\/td><td>268 (+0.75%)<\/td><td>Seagate<\/td><\/tr><tr><td><strong>Read Latency<\/strong><\/td><td>11.5 ms (+3.48%)<\/td><td>11.9 ms (-3.48%)<\/td><td>WD<\/td><\/tr><tr><td><strong>Write IOPS<\/strong><\/td><td>1.2K (+31.33%)<\/td><td>824 (-31.33%)<\/td><td>WD<\/td><\/tr><tr><td><strong>Write Throughput (MB\/s)<\/strong><\/td><td>236 (-8.05%)<\/td><td>255 (+8.05%)<\/td><td>Seagate<\/td><\/tr><tr><td><strong>Write Latency<\/strong><\/td><td>934.0 \u00b5s (+28.47%)<\/td><td>1.2 ms (-28.47%)<\/td><td>WD<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Not really meant as a blog post, more like a note to myself in the future NOTE: Claude 3.5 was used to create the overview table, otherwise no LLMs were used to generate this blog [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2045,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62,26],"tags":[],"class_list":["post-1691","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-data","category-it"],"_links":{"self":[{"href":"https:\/\/cln.io\/blog\/wp-json\/wp\/v2\/posts\/1691","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cln.io\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cln.io\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cln.io\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cln.io\/blog\/wp-json\/wp\/v2\/comments?post=1691"}],"version-history":[{"count":4,"href":"https:\/\/cln.io\/blog\/wp-json\/wp\/v2\/posts\/1691\/revisions"}],"predecessor-version":[{"id":1727,"href":"https:\/\/cln.io\/blog\/wp-json\/wp\/v2\/posts\/1691\/revisions\/1727"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cln.io\/blog\/wp-json\/wp\/v2\/media\/2045"}],"wp:attachment":[{"href":"https:\/\/cln.io\/blog\/wp-json\/wp\/v2\/media?parent=1691"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cln.io\/blog\/wp-json\/wp\/v2\/categories?post=1691"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cln.io\/blog\/wp-json\/wp\/v2\/tags?post=1691"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}