Lenovo ThinkSystem DE4000F is a scalable, all flash entry-level storage system that is designed to provide performance, simplicity, capacity, security, and high availability for medium to large businesses. It delivers enterprise-class storage management capabilities with a wide choice of host connectivity options, flexible drive configurations, and enhanced data management features. The ThinkSystem DE4000F is a perfect fit for a wide range of enterprise workloads, including big data and analytics, video surveillance, technical computing, and other storage I/O-intensive applications.
ThinkSystem DE4000F models are available in a 2U rack form-factor with 24 small form-factor (2.5-inch SFF) drives (2U24 SFF) and include two controllers, each with 32 GB memory for a system total of 64 GB. Host interface cards provide 12 Gb SAS, 10/25 Gb iSCSI, or 8/16/32 Gb FC connections.
The ThinkSystem DE4000F Storage Array scales up to 96 solid-state drives (SSDs) with the attachment of 3 Lenovo ThinkSystem DE240S 2U24 SFF Expansion Enclosures.



Form factor
DE4000F 2U24 SFF controller enclosure (Machine Type 7Y76): 2U rack mount.
DE240S 2U24 SFF expansion enclosure (Machine Type 7Y68): 2U rack mount.

Controller configuration Dual active-active controller configuration with automatic load balancing.

RAID levels RAID 0, 1, 3, 5, 6, and 10; Dynamic Disk Pools.
Note: RAID 3 can be configured only through the CLI.

Controller system memory 64 GB per system (32 GB per controller). Cache mirroring between the controllers. Flash-backed cache protection (includes battery for destaging to flash).

Drive bays Up to 96 hot-swap drive bays installed in 4x 2U24 SFF enclosures per system (1x controller unit with up to 3x expansion units).

Drive technology
12 Gb SAS SSDs and FIPS SSDs.
Intermix of FIPS drives and non-FIPS drives is supported within a system.
Intermix of FIPS drives and non-FIPS drives is not supported within a volume group or disk pool.

Drive expansion connectivity
2x 12 Gb SAS x4 (Mini-SAS HD SFF-8644) expansion ports on each of two controllers in the controller enclosure for the attachment of the expansion enclosures.
4x 12 Gb SAS x4 (Mini-SAS HD SFF-8644) expansion ports on each of two I/O modules in the expansion enclosure for the attachment to the controller enclosure and daisy chaining of the expansion enclosures.

Storage capacity Up to 1.47 PB (96x 15.36 TB SAS SSDs).

Host connectivity Host connectivity ports provided using host interface cards (HICs) (per controller enclosure with two controllers):
8x 12 Gb SAS host ports (Mini-SAS HD, SFF-8644) (4 ports per controller)
8x 10/25 Gb iSCSI SFP28 host ports (DAC or SW fiber optics [LC]) (4 ports per controller)
8x 8/16/32 Gb FC SFP+ host ports (SW fiber optics [LC]) (4 ports per controller)
Note: Two host interface cards are required for selection (one per controller). The controllers no longer offers base ports. Host connectivity is provided via the HICs.

Host operating systems Microsoft Windows Server 2012 R2, 2016, and 2019; Red Hat Enterprise Linux (RHEL) 6, 7, and 8; SUSE Linux Enterprise Server (SLES) 11, 12, and 15; VMware vSphere 6.5, 6.7, and 7.0.

Standard software features Dynamic Disk Pools, snapshots (up to 512 targets), volume copy, thin provisioning (DDP only), data assurance, and asynchronous mirroring.

Optional software features Synchronous mirroring.

Performance*
Up to 300 000 random read IOPS (4 KB blocks).
Up to 109 000 random write IOPS (4 KB blocks).
Up to 9.2 GBps sequential read throughput (64 KB blocks).
Up to 2.7 GBps sequential write throughput (64 KB blocks).

Configuration maximums**
Maximum storage capacity: 1.84 PB
Maximum number of logical volumes: 512
Maximum logical volume size: 2 PB
Maximum thin-provisioned logical volume size (DDP only): 256 TB
Maximum number of drives in a RAID volume group:
RAID 0, 1/10: 96
RAID 3, 5, 6: 30
Maximum number of DDP arrays: 20
Maximum number of drives in a DDP array: 96 (11 drives minimum)
Maximum number of hosts: 256
Maximum number of snapshots: 512
Maximum number of mirroring pairs: 32

Cooling Redundant cooling with the fans that are built into power supplies.
Power supply Two redundant hot-swap 913 W (100 - 240 V) Platinum AC power supplies.
Hot-swap parts Controllers, I/O modules, drives, power supplies, and SFP+/SFP28 transceivers.
Management ports
1x 1 GbE port (UTP, RJ-45) per controller for out-of-band management.
2x Serial console ports (RJ-45 and Micro-USB) for system configuration.
In-band management via I/O path.
Management interfaces System Manager web-based GUI; SAN Manager standalone GUI; SSH CLI; Serial console CLI; SMI-S Provider; SNMP, email, and syslog alerts; optional Lenovo XClarity.
Security features Secure Socket Layer (SSL), Secure Shell (SSH), user level security, role-based access control (RBAC), LDAP authentication.
Warranty and support Three-year customer-replaceable unit and onsite limited warranty with 9x5 next business day (NBD) parts delivered. Also available are 9x5 NBD onsite response, 24x7 coverage with 2-hour or 4-hour onsite response, or 6-hour or 24-hour committed repair (select areas), YourDrive YourData, Premier Support, and 1-year or 2-year post-warranty extensions.
Software maintenance Included in the base warranty and any Lenovo warranty extensions.


LenovoPress - https://lenovopress.lenovo.com/lp0909-lenovo-thinksystem-de4000f-all-flash-storage-array