NetApp Disk Shelves and Storage Media Product Comparison


SpecificationDS2246

DS2246
DS4246

DS4246
DS4243[4]

DS4243
DS4486

DS4486
Rack units2U4U4U4U
Drives per shelf enclosure24242448
Supported Drive Types (See the Shelf and Media Technical Specifications on NetApp.com for specific drive information.)
High-capacity HDDs 
Performance HDDs  
Self-Encrypting HDDs[1]  
Ultra-performance SSDs
(pure and mixed)[2]

(mixed only)[2]
  
I/O modulesDual 6Gb/sDual 6Gb/sDual 3Gb/sDual 6Gb/s
Optical SAS support
Drive carrier form factor2.5"
Small form factor
3.5"
Large form factor
3.5"
Large form factor
3.5"
Large form factor
Drive carrierSingle driveSingle driveSingle driveTandem drives
MetroCluster™[3]support 

[1] Self-encrypting HDDs adhere to standards such as AES-256, and FIPS 140-2.

[2] A "pure" SSD shelf contains SSDs only; a "mixed" shelf contains a combination of SSDs and HDDs for use by Flash Pool. Flash Pool also works in "shelf-to-shelf" configurations in which SSDs from a pure SSD shelf are combined into an aggregate with HDDs from other shelves.

[3] For details about MetroCluster, go to Maintain Availability of Vital Business Data Solution Brief PDF.

[4] The DS4243 disk shelf is no longer available in new system shipments but will remain available as add-on storage.