Product comparison · 2 servers

Lenovo ThinkSystem SR250 server vs Lenovo ThinkSystem ST50 server

93specifications compared
18differ
75identical
33known for one product only

Key differences

Processor model
- ThinkSystem SR250 server:E-2124
- ThinkSystem ST50 server:E-2124G
Processor frequency
- ThinkSystem SR250 server:3.3 GHz
- ThinkSystem ST50 server:3.4 GHz
Processor boost frequency
- ThinkSystem SR250 server:4.3 GHz
- ThinkSystem ST50 server:4.5 GHz
Embedded options available
- ThinkSystem SR250 server:No
- ThinkSystem ST50 server:Yes
Total storage capacity
- ThinkSystem SR250 server:2 TB
- ThinkSystem ST50 server:4 TB
Optical drive type
- ThinkSystem SR250 server:No
- ThinkSystem ST50 server:DVD±RW
On-board graphics card model
- ThinkSystem SR250 server:Not available
- ThinkSystem ST50 server:Intel UHD Graphics P630
Ethernet LAN (RJ-45) ports
- ThinkSystem SR250 server:2
- ThinkSystem ST50 server:1

Side by side

Differences highlightedShow differences only

Comparison of SR250, ST50
126 specifications	A Lenovo ThinkSystem SR250 server Model SR250 View product	B Lenovo ThinkSystem ST50 server Model ST50 View product
Processor4 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Xeon®	Intel® Xeon®
Processor modelDiffers	E-2124	E-2124G
Processor frequencyDiffers	3.3 GHz	3.4 GHz
Processor boost frequencyDiffers	4.3 GHz	4.5 GHz
Processor cores	4	4
Processor cache	8 MB	8 MB
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel C246
Memory channels supported by processor	Dual	Dual
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
ECC supported by processor	Yes	Yes
Embedded options availableDiffers	No	Yes
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
Intel® Optane™ Memory Ready	Yes	Yes
Memoryidentical
Internal memory	8 GB	8 GB
Internal memory type	DDR4-SDRAM	DDR4-SDRAM
Buffered memory type	Unregistered (unbuffered)	Unregistered (unbuffered)
Memory clock speed	2666 MHz	2666 MHz
Memory layout (slots x size)	1 x 8 GB	1 x 8 GB
Memory slots	4x DIMM	4x DIMM
Maximum internal memory	64 GB	64 GB
Storage2 differ
Total storage capacityDiffers	2 TB	4 TB
Number of HDDs installed	2	2
HDD interface	Serial ATA III	Serial ATA III
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Number of HDDs supported	4	4
Supported HDD sizes	2.5,3.5"	2.5,3.5"
RAID support	Yes	Yes
RAID levelsKnown for one	Unknown — not stated by the source	0, 1, 5, 10
Optical drive typeDiffers	No	DVD±RW
Hot-swapKnown for one	No	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
Graphics1 differ
Discrete graphics cardKnown for one	Unknown — not stated by the source	No
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® UHD Graphics
On-board graphics card modelDiffers	Not available	Intel UHD Graphics P630
Maximum on-board graphics card memoryKnown for one	Unknown — not stated by the source	128 GB
Number of displays supported (on-board graphics)Known for one	Unknown — not stated by the source	3
On-board graphics card 4K supportKnown for one	Unknown — not stated by the source	Yes
On-board graphics card DirectX versionKnown for one	Unknown — not stated by the source	12.0
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x3E96
On-board graphics card OpenGL versionKnown for one	Unknown — not stated by the source	4.5
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	350 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	1150 MHz
Networkidentical
Wi-Fi	No	No
Bluetooth	No	No
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Ethernet LAN	Yes	Yes
Ethernet interface type	Gigabit Ethernet	Gigabit Ethernet
LAN controllerKnown for one	Unknown — not stated by the source	Intel I219LM
Ports & interfaces4 differ
Ethernet LAN (RJ-45) portsDiffers	2	1
USB 2.0 ports quantityDiffers	1	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	3	4
DisplayPorts quantityKnown for one	Unknown — not stated by the source	2
Serial ports quantity	1	1
VGA (D-Sub) ports quantityDiffers	1	0
Expansion slotsidentical
PCI Express x1 (Gen 3.x) slotsKnown for one	Unknown — not stated by the source	1
PCI Express x16 (Gen 3.x) slotsKnown for one	Unknown — not stated by the source	2
PCI Express slots version	3.0	3.0
PCI Express x8 (Gen 3.x) slotsKnown for one	3	Unknown — not stated by the source
Design1 differ
Chassis typeDiffers	Rack (1U)	Tower (4U)
Product colour	Black	Black
Rack mountingKnown for one	Yes	Unknown — not stated by the source
Rack railsKnown for one	Yes	Unknown — not stated by the source
Performanceidentical
Trusted Platform Module (TPM)	Yes	Yes
Trusted Platform Module (TPM) version	2.0	2.0
Management platformKnown for one	XClarity Standard	Unknown — not stated by the source
Software1 differ
Compatible operating systemsDiffers	Microsoft, Red Hat, SUSE, and VMware ESXi	Microsoft Windows Server 2019/2016. Red Hat Enterprise Linux 7.5. VMware vSphere (ESXi) 6.5 U2
Processor special features1 differ
CPU configuration (max)	1	1
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel 64	Yes	Yes
Intel Active Management Technology versionKnown for one	Unknown — not stated by the source	12
Intel Clear Video TechnologyKnown for one	Unknown — not stated by the source	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® Active Management Technology (Intel® AMT)Known for one	Unknown — not stated by the source	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Unknown — not stated by the source	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Unknown — not stated by the source	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® InTru™ 3D TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® OS Guard	Yes	Yes
Intel® Quick Sync Video TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® Secure Key	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	134856	134854
Power1 differ
Redundant power supply (RPS) support	No	No
Power supplyDiffers	300 W	250 W
Number of main power supplies	1	1
Sustainabilityidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84714100
Weight & dimensions3 differ
WidthDiffers	434.6 mm	175 mm
DepthDiffers	497.8 mm	431 mm
HeightDiffers	43 mm	375 mm
Other featuresidentical
Built-in display	No	No
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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