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The following optional features are available for IBM SAN Volume Controller model SV1: 

GLYPH<SM590000> 256 GB Cache Upgrade fully unlocked with code V8.2 

GLYPH<SM590000> Four-port 16 Gb FC adapter card for 16 Gb FC connectivity 

GLYPH<SM590000> Four-port 10 Gb Ethernet adapter card for 10 Gb iSCSI/FCoE connectivity 

GLYPH<SM590000> Compression accelerator card for IBM Real-time Compression 

GLYPH<SM590000> Four-port 12 Gb SAS expansion enclosure attachment card 

The following optional features are available for IBM SAN Volume Controller model DH8: 

GLYPH<SM590000> Additional Processor with 32 GB Cache Upgrade 

GLYPH<SM590000> Four-port 16 Gb FC adapter card for 16 Gb FC connectivity 

GLYPH<SM590000> Four-port 10 Gb Ethernet adapter card for 10 Gb iSCSI/FCoE connectivity 

GLYPH<SM590000> Compression accelerator card for IBM Real-time Compression 

GLYPH<SM590000> Four-port 12 Gb SAS expansion enclosure attachment card 

Important:  IBM SAN Volume Controller nodes model 2145-SV1 and 2145-DH8 can contain a 16 Gb FC or a 10 Gb Ethernet adapter, but only one 10 Gbps Ethernet adapter is supported. 

The comparison of current and outdated models of SVC is shown in Table 2-2. Expansion enclosures are not included in the list. 

<img src='content_image/1011605.jpg'>

The IBM SAN Volume Controller expansion enclosure consists of enclosure and drives. Each enclosure contains two canisters that can be replaced and maintained independently. The IBM SAN Volume Controller supports three types of expansion enclosure. The expansion enclosure models are 12F, 24F, and 92F dense drawers. 

The expansion enclosure model 12F features two expansion canisters and holds up to 12 3.5-inch SAS drives in a 2U, 19-inch rack mount enclosure. 

The expansion enclosure model 24F supports up to 24 internal flash drives, 2.5-inch SAS drives or a combination of them. The expansion enclosure 24F also features two expansion canisters in a 2U, 19-inch rack mount enclosure. 

The expansion enclosure model 92F supports up to 92 3.5-inch drives in a 5U, 19-inch rack-mounted enclosure. Also, it is called dense expansion drawers, or just dense drawers. 

