| 6535C2D | Storwize V3700  v2  2.5 inch Storage Controller Unit | 
| Form factor | Storwize V3700 Controller Unit: 2U rack mount | 
| Controller unit configuration | Dual controller (known as node canister) configuration. | 
| RAID levels | RAID 0, 1, 5, 6, and 10; Distributed RAID 5 and 6. | 
| Controller cache | 16 GB per system (8 GB per node canister). V3700 XP is upgradeable to 32 GB (16 GB per node canister). Cache mirroring between the node canisters. Flash-backed cache protection (includes battery). | 
| Drive bays | 24 SFF drive bays in the controller unit | 
| Drive technology | SAS and NL SAS HDDs and SAS SSDs. Intermix of HDDs and SSDs is supported. | 
| Drive connectivity | Dual-ported 12 Gb SAS drive attachment infrastructure. Controller unit with two node canisters (ports per one node canister):
 24x 12 Gb SAS internal drive ports (SFF enclosure)12x 12 Gb SAS internal drive ports (LFF enclosure)
 1x 12 Gb SAS x4 (Mini-SAS HD SFF-8644) expansion port for the attachment of the expansion enclosures
 | 
| Storage Capacity | Up to 4.055 PB (264x 15.36 TB SAS SSDs) | 
| Host operating systems | Microsoft Windows Server 2012, 2012 R2, and 2016; Red Hat Enterprise Linux (RHEL) 6 and 7; SUSE Linux Enterprise Server (SLES) 11 and 12; VMware vSphere 5.1, 5.5, 6.0, and 6.5. | 
| Standard software features | Virtualization of internal storage, Thin Provisioning, One-way Data Migration, FlashCopy snapshots (up to 64 targets), and Embedded GUI. | 
| Optional features | FlashCopy snapshots upgrade (up to 2048 targets), Easy Tier, and Remote Mirroring. | 
| Cooling | Node canisters, expansion canisters, SFP/SFP+ transceivers, drives, power supplies with fans. | 
| Power supply | Two redundant hot-swap 800 W AC power supplies. | 
| Hot-swap parts | Node canisters, expansion canisters, SFP/SFP+ transceivers, drives, power supplies with fans. | 
| Management interfaces | 2x 1 GbE ports (UTP, RJ-45) in a primary/redundant configuration. | 
| Web-based GUI; SSH CLI; SMI-S; SNMP and email notifications. | 
| Security features | Secure Socket Layer (SSL), Secure Shell (SSH), user level security, LDAP authentication | 
| Warranty | Three-year customer-replaceable unit and onsite warranty with 9×5 next business day terms. Optional warranty service upgrades are available through Lenovo: 24×7 coverage, 2-hour or 4-hour response time, 6-hour or 24-hour committed repair, 1-year or 2-year warranty extensions, YourDrive YourData. |