Product comparison · 2 servers

Lenovo ThinkSystem SR250 server vs Lenovo ThinkSystem ST250 server

87specifications compared
15differ
72identical
53known for one product only

Key differences

Internal memory
- ThinkSystem SR250 server:8 GB
- ThinkSystem ST250 server:16 GB
Memory layout (slots x size)
- ThinkSystem SR250 server:1 x 8 GB
- ThinkSystem ST250 server:1 x 16 GB
Memory slots
- ThinkSystem SR250 server:4x DIMM
- ThinkSystem ST250 server:4
Number of HDDs supported
- ThinkSystem SR250 server:4
- ThinkSystem ST250 server:16
Supported HDD sizes
- ThinkSystem SR250 server:2.5,3.5"
- ThinkSystem ST250 server:2.5,3.5,5.25"
Hot-swap
- ThinkSystem SR250 server:No
- ThinkSystem ST250 server:Yes
Optical drive type
- ThinkSystem SR250 server:No
- ThinkSystem ST250 server:DVD±RW
Ethernet LAN (RJ-45) ports
- ThinkSystem SR250 server:2
- ThinkSystem ST250 server:3

Side by side

Differences highlightedShow differences only

Comparison of SR250, ST250
140 specifications	A Lenovo ThinkSystem SR250 server Model SR250 View product	B Lenovo ThinkSystem ST250 server Model ST250 View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Xeon®	Intel® Xeon®
Processor model	E-2124	E-2124
Processor frequency	3.3 GHz	3.3 GHz
Processor boost frequency	4.3 GHz	4.3 GHz
Processor cores	4	4
Processor cache	8 MB	8 MB
Number of processors installed	1	1
Thermal Design Power (TDP)	71 W	71 W
Processor cache type	Smart Cache	Smart Cache
System bus rate	8 GT/s	8 GT/s
Bus type	DMI3	DMI3
Embedded options available	No	No
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Maximum internal memory supported by processor	128 GB	128 GB
Maximum number of PCI Express lanes	16	16
Memory bandwidth supported by processor (max)	41.6 GB/s	41.6 GB/s
Memory clock speeds supported by processor	2666 MHz	2666 MHz
Memory types supported by processor	DDR4-SDRAM	DDR4-SDRAM
PCI Express configurations	1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8+2x4
Processor codename	Coffee Lake	Coffee Lake
Processor lithography	14 nm	14 nm
Processor operating modes	64-bit	64-bit
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Processor socket	LGA 1151 (Socket H4)	LGA 1151 (Socket H4)
Processor threads	4	4
Scalability	1S	1S
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Tjunction	100 °C	100 °C
Memory channels supported by processorKnown for one	Dual	Unknown — not stated by the source
ECC supported by processorKnown for one	Yes	Unknown — not stated by the source
Intel® Optane™ Memory ReadyKnown for one	Yes	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	8 GB	16 GB
Internal memory type	DDR4-SDRAM	DDR4-SDRAM
Memory clock speed	2666 MHz	2666 MHz
Memory layout (slots x size)Differs	1 x 8 GB	1 x 16 GB
Memory slotsDiffers	4x DIMM	4
Maximum internal memory	64 GB	64 GB
Buffered memory typeKnown for one	Unregistered (unbuffered)	Unknown — not stated by the source
Storage4 differ
Total storage capacity	2 TB	2 TB
Number of HDDs installed	2	2
HDD capacityKnown for one	Unknown — not stated by the source	1 TB
HDD interface	Serial ATA III	Serial ATA III
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Number of HDDs supportedDiffers	4	16
Supported HDD sizesDiffers	2.5,3.5"	2.5,3.5,5.25"
Supported SSD sizesKnown for one	Unknown — not stated by the source	M.2
Number of SSDs supportedKnown for one	Unknown — not stated by the source	1
Hot-swapDiffers	No	Yes
Drive device, transfer rateKnown for one	Unknown — not stated by the source	6000 MB/s
Optical drive typeDiffers	No	DVD±RW
RAID supportKnown for one	Yes	Unknown — not stated by the source
Supported storage drive interfacesKnown for one	Serial ATA III	Unknown — not stated by the source
Card reader integratedKnown for one	No	Unknown — not stated by the source
Graphicsidentical
On-board graphics card model	Not available	Not available
Networkidentical
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Ethernet LAN	Yes	Yes
Ethernet interface type	Gigabit Ethernet	Gigabit Ethernet
Wi-FiKnown for one	No	Unknown — not stated by the source
BluetoothKnown for one	No	Unknown — not stated by the source
Ports & interfaces1 differ
Ethernet LAN (RJ-45) portsDiffers	2	3
USB 2.0 ports quantity	1	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	3	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one	Unknown — not stated by the source	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one	Unknown — not stated by the source	2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one	Unknown — not stated by the source	0
DisplayPorts quantityKnown for one	Unknown — not stated by the source	0
Dual Link DVIKnown for one	Unknown — not stated by the source	No
FireWire 800Known for one	Unknown — not stated by the source	No
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
Integrated SAS portsKnown for one	Unknown — not stated by the source	0
Internal FireWire ports quantityKnown for one	Unknown — not stated by the source	0
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	0
PS/2 ports quantityKnown for one	Unknown — not stated by the source	0
Parallel ports quantityKnown for one	Unknown — not stated by the source	0
S/PDIF in portKnown for one	Unknown — not stated by the source	No
S/PDIF out portKnown for one	Unknown — not stated by the source	No
Serial ports quantity	1	1
VGA (D-Sub) ports quantity	1	1
eSATA ports quantityKnown for one	Unknown — not stated by the source	0
Expansion slots1 differ
PCI Express x1 slotsKnown for one	Unknown — not stated by the source	0
PCI Express x1 (Gen 1.x) slotsKnown for one	Unknown — not stated by the source	0
PCI Express x1 (Gen 2.x) slotsKnown for one	Unknown — not stated by the source	0
PCI Express x1 (Gen 3.x) slotsKnown for one	Unknown — not stated by the source	1
PCI Express x4 slotsKnown for one	Unknown — not stated by the source	0
PCI Express x4 (Gen 1.x) slotsKnown for one	Unknown — not stated by the source	0
PCI Express x4 (Gen 2.x) slotsKnown for one	Unknown — not stated by the source	0
PCI Express x4 (Gen 3.x) slotsKnown for one	Unknown — not stated by the source	1
PCI Express x8 slotsKnown for one	Unknown — not stated by the source	0
PCI Express x8 (Gen 1.x) slotsKnown for one	Unknown — not stated by the source	0
PCI Express x8 (Gen 2.x) slotsKnown for one	Unknown — not stated by the source	0
PCI Express x8 (Gen 3.x) slotsDiffers	3	1
PCI Express x16 slotsKnown for one	Unknown — not stated by the source	0
PCI Express x16 (Gen 1.x) slotsKnown for one	Unknown — not stated by the source	0
PCI Express x16 (Gen 2.x) slotsKnown for one	Unknown — not stated by the source	0
PCI Express x16 (Gen 3.x) slotsKnown for one	Unknown — not stated by the source	1
AGP x4 slotsKnown for one	Unknown — not stated by the source	0
AGP x8 slotsKnown for one	Unknown — not stated by the source	0
PCI Express slots version	3.0	3.0
PCI slotsKnown for one	Unknown — not stated by the source	0
PCI-X slotsKnown for one	Unknown — not stated by the source	0
Design1 differ
Chassis typeDiffers	Rack (1U)	Tower (4U)
Product colour	Black	Black
Rack mounting	Yes	Yes
Rack railsKnown for one	Yes	Unknown — not stated by the source
Performanceidentical
Management platform	XClarity Standard	XClarity Standard
Trusted Platform Module (TPM)	Yes	Yes
Trusted Platform Module (TPM) version	2.0	2.0
Software1 differ
Operating system installedKnown for one	Unknown — not stated by the source	No
Compatible operating systemsDiffers	Microsoft, Red Hat, SUSE, and VMware ESXi	- Microsoft, SUSE, Red Hat, VMware vSphere - Microsoft Windows Client OS – Win10
Processor special featuresidentical
CPU configuration (max)	1	1
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel 64	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel Secure Key Technology version	1.00	1.00
Intel Software Guard Extensions (Intel SGX)	Yes	Yes
Intel TSX-NI	Yes	Yes
Intel TSX-NI version	1.00	1.00
Intel Trusted Execution Technology	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® OS Guard	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK ID	134856	134856
Power1 differ
Power supplyDiffers	300 W	550 W
Redundant power supply (RPS) supportKnown for one	No	Unknown — not stated by the source
Number of main power suppliesKnown for one	1	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Weight & dimensions3 differ
WidthDiffers	434.6 mm	175 mm
DepthDiffers	497.8 mm	565.7 mm
HeightDiffers	43 mm	430 mm
Other featuresidentical
Built-in displayKnown for one	No	Unknown — not stated by the source
I/O portsKnown for one	1x Mgmt	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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