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Chassis ThinkSystem ST550 4x3.5-inch - 2 x 550W Power Supply 4x HDD HotSwap
ThinkSystem mainboard ST550
ThinkSystem RAID 530-8i PCIe 12Gb Adapter
1 x Intel® Xeon® Bronze 3106 Processor 11M Cache, 1.70 GHz
1 x Ổ Cứng HDD Seagate 8TB Enterprise V.5 SATA 512E 6Gb/s 7200 RPM 256MB 3.5in
Lenovo ThinkSystem External USB DVD+ -RW Optical Disk Drive
1 x UPS Powercom VGD-2000
1 x Heatsink for ThinkSystem ST550

Components	Specification
Machine type	7X09 - 1 year warranty 7X10 - 3 year warranty
Form factor	Tower or 4U Rack.
Processor	One or two Intel Xeon Processor Scalable Family of processors, either Bronze, Silver, Gold or Platinum-level processors (formerly codename "Skylake"). Supports processors up to 20 cores, core speeds up to 3.6 GHz, and TDP ratings up to 125W. Two Intel Ultra Path Interconnect (UPI) links at 10.4 GT/s each.
Chipset	Intel C624 "Lewisburg" chipset
Memory	Up to 12 DIMM sockets (6 DIMMs per processor) supporting Lenovo TruDDR4 DIMMs at up to 2666 MHz. RDIMMs and LRDIMMs (Load Reduced DIMMs) are supported, but memory types cannot be intermixed.
Memory maximums	With RDIMMs: Up to 384 GB with 12x 32 GB RDIMMs and two processors With LRDIMMs: Up to 768 GB with 12x 64 GB LRDIMMs and two processors
Memory protection	ECC, SDDC (for x4-based memory DIMMs), ADDDC (for x4-based memory DIMMs, requires Intel Xeon Gold or Platinum processors), memory mirroring, and memory sparing.
Disk drive bays	Available configurations: 8, 16, or 20x 2.5-inch SAS/SATA hot-swap (optional support for NVMe drives) 4 or 8x 3.5-inch SAS/SATA hot-swap Both 8x 3.5-inch + 4x 2.5-inch SAS/SATA hot-swap 4 or 8x 3.5-inch SATA simple-swap Additional drive bays (except for 20-bay and hybrid configurations): Two 5.25-inch drive bays for optical drives
Maximum internal storage	307.2 TB with 20x 15.36TB 2.5-inch SAS hot-swap SSDs 157.4 TB with 8x 12TB 3.5-inch HDDs + 4x 15.36TB 2.5-inch SSDs 80 TB with 8x 10TB 3.5-inch NL SAS or NL SATA hot-swap HDDs 80 TB with 8x 10TB 3.5-inch NL SAS or NL SATA simple-swap HDDs Intermix of SAS and SATA is supported.
Storage controller	Onboard 6 Gb SATA for simple-swap drive configurations, using embedded Intel RSTe software RAID, supporting RAID 0, 1, 10, 5, 50 12 Gb SAS/SATA RAID for hot-swap drive configurations: RAID 530i (cacheless) supports RAID 0, 1, 10, 5, 50 RAID 730-8i (China only) with 1GB cache supports RAID 0, 1, 10, 5, 50 RAID 930-8i with 2GB flash-backed cache supports RAID 0, 1, 10, 5, 50, 6, 60 RAID 930-16i and 24i with 4GB flash-backed cache supports RAID 0, 1, 10, 5, 50, 6, 60 12 Gb SAS/SATA non-RAID: 430-8i and 430-16i HBAs
Optical drive bays	Two half-height 5.25-inch bays for optical or tape drives. Supports DVD-ROM or Multiburner. Hot-swap bays can be converted to 4x 2.5-inch hot-swap drive bays. (Not available with simple-swap drive configurations.)
Tape drive bays	Two half-height 5.25-inch bays for optical or tape drives. Support for one RDX drive or LTO tape drive.
Network interfaces	Two integrated Gigabit Ethernet 1000BASE-T ports (RJ-45) based on Intel X722 embedded controller (No 10/100 Mbps support)
PCI Expansion slots	Up to 7 PCIe slots: 6 general purpose PCIe 3.0 slots plus one slot reserved for the M.2 adapter. General purpose slots are as follows: Slot 1: PCIe 3.0 x8 (25W) FHHL Slot 2: PCIe 3.0 x16 (75W); FHHL Slot 3: PCIe 3.0 x16 (75W); FHFL Slot 4: PCIe 3.0 x16 (x8 wired) (25W); FHFL (requires second processor) Slot 5: PCIe 3.0 x16 (75W); FHFL (requires second processor) Slot 6: PCIe 3.0 x8 (x4 wired) (25W); FHFL Slots 3 and 5 support double-wide GPUs
Ports	Front: Two USB ports (one USB 3.0, one USB 2.0 port Rear: Four USB ports (four USB 2.0, two USB 3.0), one DB-15 video, one RJ-45 systems management, two RJ-45 GbE network ports, optional serial port. Internal: One internal USB 3.0 port for RDX drive
Cooling	Supports ASHRAE A2 environments as well as A3/A4 with some limitations. Up to four simple-swap fans: two fans shipped standard on single processor models and three fans shipped on dual processor models or models where there are drive bays in lieu of the optical drive bays. The fourth rear-mounted fan is N+1 redundant, except for certain configurations.
Power supply	Up to two redundant hot-swap 550 W, 750 W or 1100 W High Efficiency Platinum AC power supplies, or 750 W High Efficiency Titanium AC power supplies. Also available is a 450 W fixed (non-hot-swap) power supply. In China only, all hot-swap power supplies also support 240V DC.
Hot-swap parts	Hard drives, power supplies, and fans
Systems management	Operator panel with status LEDs. XClarity Controller embedded management, XClarity Administrator centralized infrastructure delivery, XClarity Integrator plugins, and XClarity Energy Manager centralized server power management. Optional XClarity Controller Advanced to enable remote control functions.
Security features	Power-on password, administrator's password, Trusted Platform Module (TPM), supporting TPM 1.2 or TPM 2.0. In China only, optional Trusted Cryptographic Module (TCM). Kensington cable slot. Lockable side cover. Optional lockable front security door and chassis intrusion switch (included with some models).
Video	G200 graphics with 16 MB memory with 2D hardware accelerator, integrated into the XClarity Controller. Maximum resolution is 1920x1200 32bpp at 60Hz.
Operating systems supported	Microsoft Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi. See the Operating system support section for specifics.
Limited warranty	Three-year or one-year (model dependent) customer-replaceable unit and onsite limited warranty with 9x5 next business day (NBD).
Service and support	Optional service upgrades are available through Lenovo Services: 4-hour or 2-hour response time, 6-hour fix time, 1-year or 2-year warranty extension, software support for Lenovo hardware and some third-party applications.
Dimensions	Tower: width, without foot stands: 176 mm (6.9 in), width, with foot stands: 272 mm (10.7 in), depth: 670 mm (26.4 in), height: 438 mm (17.2 in). With rack conversion kit: Width: 482 mm (18.97 inches), depth: 670 mm (26.4 in), height: 176 mm (6.9 in)
Weight	Fully configured: 36 kg (79.36 lb)