https://www.knightli.com/es/tags/it-mode/ Recent content in It-Mode on KnightLi Blog Hugo -- gohugo.io es Mon, 03 Apr 2023 00:00:00 +0000 https://www.knightli.com/es/2023/04/03/hba-it-mode-comparison/ Mon, 03 Apr 2023 00:00:00 +0000 https://www.knightli.com/es/2023/04/03/hba-it-mode-comparison/ <p>##LSI SAS1068E</p> <div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span><span class="lnt">2 </span><span class="lnt">3 </span><span class="lnt">4 </span><span class="lnt">5 </span><span class="lnt">6 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">PCIe 1.0 x8 = 2 GB/s, x4 = 1 GB/s </span></span><span class="line"><span class="cl">SFF-8087 = 4x SAS lanes </span></span><span class="line"><span class="cl">SFF-8484 = 4x SAS lanes </span></span><span class="line"><span class="cl">SAS1/SATA2 = 3 Gbps = 375 MB/s </span></span><span class="line"><span class="cl">8 lanes theoretical = 3 GB/s (24 Gbps) </span></span><span class="line"><span class="cl">Legacy platform, limited value today. </span></span></code></pre></td></tr></table> </div> </div><h2 id="lsi-sas2008--sas2004--sas2116">LSI SAS2008 / SAS2004 / SAS2116 </h2><div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span><span class="lnt">2 </span><span class="lnt">3 </span><span class="lnt">4 </span><span class="lnt">5 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">PCIe 2.0 x8 = 4 GB/s, x4 = 2 GB/s </span></span><span class="line"><span class="cl">SFF-8087 internal / SFF-8088 external / SFF-8644 external </span></span><span class="line"><span class="cl">SAS2/SATA3 = 6 Gbps = 750 MB/s </span></span><span class="line"><span class="cl">8 lanes theoretical = 6 GB/s (48 Gbps) </span></span><span class="line"><span class="cl">Good fit for HDD pass-through with balanced cost/performance. </span></span></code></pre></td></tr></table> </div> </div><p>##LSI SAS2308</p> <div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span><span class="lnt">2 </span><span class="lnt">3 </span><span class="lnt">4 </span><span class="lnt">5 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">PCIe 3.0 x8 = 7.8 GB/s </span></span><span class="line"><span class="cl">SFF-8087 / SFF-8088 / SFF-8644 </span></span><span class="line"><span class="cl">SAS2/SATA3 = 6 Gbps = 750 MB/s </span></span><span class="line"><span class="cl">8 lanes theoretical = 6 GB/s (48 Gbps) </span></span><span class="line"><span class="cl">Higher performance and often preferred for mixed SATA SSD/HDD workloads. </span></span></code></pre></td></tr></table> </div> </div><p>##LSI SAS3008</p> <div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span><span class="lnt">2 </span><span class="lnt">3 </span><span class="lnt">4 </span><span class="lnt">5 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">PCIe 3.0 x8 = 7.8 GB/s </span></span><span class="line"><span class="cl">SFF-8643 internal / SFF-8644 external </span></span><span class="line"><span class="cl">SAS3 = 12 Gbps = 1.5 GB/s </span></span><span class="line"><span class="cl">8 lanes theoretical = 12 GB/s (96 Gbps) </span></span><span class="line"><span class="cl">Supports 12 Gbps SAS3 devices. </span></span></code></pre></td></tr></table> </div> </div><p>##LSI SAS3408</p> <div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span><span class="lnt">2 </span><span class="lnt">3 </span><span class="lnt">4 </span><span class="lnt">5 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">PCIe 3.0 x8 = 7.8 GB/s </span></span><span class="line"><span class="cl">SFF-8643 internal / SFF-8644 external </span></span><span class="line"><span class="cl">SAS3 = 12 Gbps = 1.5 GB/s </span></span><span class="line"><span class="cl">Tri-Mode support for NVMe </span></span><span class="line"><span class="cl">8 lanes theoretical = 12 GB/s (96 Gbps) </span></span></code></pre></td></tr></table> </div> </div>