Sliger proudly manufactures all of its products in the USA.

2U Chassis

MicroATX motherboard & SFX PSU CX2130a - 13" deep, 4x 80mm fans CX2130c - 13" deep, 3x 80mm fans, 2x 3.5" adapter bays CX2130x - 13" deep, 3x 80mm fans, internal storage CX2151a - 15" deep, 4x 80mm fans, full-height 2-slot GPU CX2151c - 15" deep, hot-swap 3.5" bays, full-height 2-slot GPU CX2151x - 15" deep, internal 3.5"/2.5" storage, full-height 2-slot GPU ATX motherboard & FlexATX PSU CX2137a - 13" deep, 4x 80mm fans CX2137b - 13" deep, 3x 80mm fans CX2177a - 17" deep, 4x 80mm fans CX2177c - 17" deep, 3x 80mm fans, 2x 3.5" adapter bays CX2177x - 17" deep, 3x 80mm fans, internal storage CX2257g - 25" deep, 4x 80mm fans, 4x 5.25 Bays

3U Chassis

SFX power supply, 8x PCIe slots CX3150a - 15" deep, 360mm AIO CX3150i - 15" deep, 240mm AIO and 1x 5.25" Bay CX3150x - 15" deep, 240mm AIO and 3x 3.5" HDD CX3170a - 17" deep, thicker radiators/fans CX3170a XL - 17" deep, EATX/SSI EEB motherboard, 3x 3.5" HDD CX3170i XL - 17" deep, EATX/SSI EEB motherboard, 1x 5.25" Bay CX3250g - 25" deep, 360mm AIO and 6x 5.25" Bay large 3-slot GPU on PCIe riser (horizontal) CX3151a - 15" deep, 360mm AIO CX3151i - 15" deep, 240mm AIO, 1x 5.25" Bay CX3151x - 15" deep, 240mm AIO, 3x 3.5" HDD CX3171a - 17" deep, longer GPU or thicker radiators/fans CX3171a XL - 17" deep, eATX motherboard, 3x 3.5" HDD CX3171i XL - 17" deep, longer GPU, 1x 5.25" Bay CX3251g - 25" deep, 360mm AIO and 6x 5.25" Bay ATX power supply, limited to 5x PCIe slots CX3152a - 15" deep, 360mm AIO CX3152i - 15" deep, 240mm AIO and 1x 5.25" Bay CX3172a - 17" deep, thicker radiators/fans CX3172a XL - 17" deep, EATX/SSI EEB motherboard CX3172i XL - 17" deep, EATX/SSI EEB motherboard, 1x 5.25" Bay CX3252g - 25" deep, 360mm AIO and 6x 5.25" Bay 3U NAS Storage CX3701 - 15" deep with Mini-ITX motherboard CX3702 - 18" deep with MicroATX motherboard

4U Chassis

15" 4U for ATX motherboards CX4150a - 360mm AIO CX4150i - 360mm AIO and 1x 5.25" Bay CX4150e - 240mm AIO and 2x 5.25" Bay 17" 4U high end ATX/EATX builds CX4170a - 360mm AIO and 3x 3.5" HDD CX4170i - 360mm AIO and 3x 3.5" HDD / 1x 5.25" Bay CX4170e - 240mm AIO and 2x 5.25" Bay 20" 4U for large EATX/EEB motherboards and power supplies CX4200a - 360mm AIO and 3x 3.5" HDD CX4200i - 360mm AIO and 3x 3.5" HDD + 1x 5.25" Bay CX4200e - 240mm AIO and 2x 5.25" Bays CX4200f - 240mm AIO and 3x 5.25" Bays 4U NAS Storage CX4712 - ATX motherboard, 360mm AIO support CX4713 - SSI-EEB/eATX motherboard, 360mm AIO support

Storage Chassis

3U Storage CX3701 - 15" deep, 10x hot-swap 3.5" HDDs, mITX motherboard CX3702 - 18" deep, 10x hot-swap 3.5" HDDs, mATX motherboard 4U Storage CX4712 - 25" deep, 10x hot-swap 3.5" HDDs, 2x 5.25" Bays CX4713 - 28" deep, hot-swap 3.5" HDDs, 2x 5.25" Bays

Desktop

S630 - MicroATX SFF PC Case S640 - E-ATX Desktop PC Case

CX3251g 25" 3U | 6x External 5.25" Bays

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CX3251g25" 3U | 6x External 5.25" Bays

6x 5.25" External Device Bays
Supports ATX, SSI-CEB, and EATX motherboards up to 10.5" deep
SFX or SFX-L PSU compatibility
Supports 6x 120mm fans: 3x or 6x (push/pull) Mid-Chassis
1x 5.0 riser to support 1x 3.5-slot GPU
Made in the USA with US materials

Pre Order

The planned release date for this product is June 1st, 2026. If you order before this date, your order will not ship until the release date. If you have any questions, please contact us at orders@sliger.com or 1 (775) 356-5595 for more details.

Motherboard	Mini-ITX (L x W: 170mm x 170mm) [6.7" x 6.7"] Mini-DTX (L x W: 203mm x 170mm) [8" x 6.7"] FlexATX (L x W: 229mm x 191mm) [9" x 7.5"] MicroATX (L x W: 245mm x 245mm) [9.6" x 9.6"] ATX (L x W: 305mm x 244mm) [12" x 9.6"] EATX (L x W: 305mm x 267mm) [12" x 10.5"] SSI-CEB (L x W: 305mm x 267mm) [12" x 10.5"]
CPU Air Coolers	Max Height: 110mm RECOMMENDED CPU COOLERS Noctua D9L Thermalright SI-100 Thermalright Silver Soul 110 ID-COOLING IS-67-XT
CPU Liquid Coolers	Two (2) 120mm radiators Up to [[2x]] 120mm [[Front Mounted]] liquid cooler[[s]] One (1) 240mm radiator Maximum radiator length of 277mm supported NOTE: Case is designed around Asetek OEM AIO coolers. Compatibility with AIO liquid coolers on GPUs is limited by case height. One (1) 360mm radiator Maximum radiator length of 395mm supported NOTE: Case is designed around Asetek OEM AIO coolers. Compatibility with AIO liquid coolers on GPUs is limited by case height.
Filter Foam	Includes one (1) washable / reusable dust filter 30 ppi open cell reticulated polyether filter foam with flame resistant rating, UL94 HF1, UL FILE NO E93229(N) Alternate density and/or materials such as aluminum mesh available for OEM projects
Fan Mounting	Front Mounting for three (3) 120mm fans Three(3) 120mm fan mounting spots, up to 38mm thick RECOMMENDED 120mm FANS Noctua A12x25 PWM Noctua A12x25 Chromax Black Arctic P12 MAX Phanteks T30 Corsair RS120 MAX Lian Li UNI Fan P28 Lian Li UNI Fan SL-Infinity Any fan from Dynatron Mid Mounting for three (3) 120mm fans Three(3) 120mm fan mounting spots, up to 38mm thick RECOMMENDED 120mm FANS Noctua A12x25 PWM Noctua A12x25 Chromax Black Arctic P12 MAX Phanteks T30 Corsair RS120 MAX Lian Li UNI Fan P28 Lian Li UNI Fan SL-Infinity Any fan from Dynatron Rear Mounting for one (1) 120mm fan Optional PCIe slot to fan adapters listed on "Parts" tab of applicable chassis models
GPU / PCIe Cards	Three (3) Full height PCIe card slot cutouts 3x Full Height Horizontal PCIe slots with one PCIe 5.0 16x riser for large 3-slot GPU Maximum card width: 72mm or 3.5-slot Maximum card length with 3x 25mm thick front fans: 341mm Maximum card length with Asetek 360mm AIO and 3x 25mm thick front fans: 313mm Maximum card length with Asetek 360mm AIO and 6x 25mm thick front fans: 289mm Total Motherboard Chamber Depth: 366mm Thickness of radiator + thickness of case fans + GPU length must equal less than 366mm total. Case includes a rear support bridge to prevent GPU sag and reduce chances of shipping damage
Storage	One (1) 2.5" drive
5.25" Bays	Six (6) 5.25" drives Two(2) 5.25" bays with removable filler blanks 5.25" to 3.5" adapter available for purchase on the parts tab 5.25" bay filler blank provides mounting for two(2) 2.5" SSD and one(1) 3.5" HDD
Front Panel I/O	One (1) Momentary Switch / Power Status LED (Ring Shape, White) Two (2) USB 3.0 Type A Port One (1) USB 3.2 Type C 10Gbps Port
Power Supply	One (1) SFX / SFX-L power supply Supports up to 1x SFX or 1x SFX-L form factor PSU Recommended Models: Cooler Master V1100 SFX Platinum 1100W CORSAIR SF1000 1000W Seasonic FOCUS SPX-750 750W FSP Dagger Pro 850W FSP Dagger Pro 650W FSP SFX Pro 450W
Rack Rails	General Devices C300-S Series Rack Rails are not included by default, must be purchased on the configuration or parts page. Other Brand Compatibility Brands such as iStarUSA TC Rails are natively compatible. Please contact our support team for any compatibility questions.
Warranty	Case & Rack Rails 5 Years Chassis, USB cables, Power Button(s), Power Cable(s) 5 Years Liquid Coolers & Fans 3 Years Please see our warranty policy for additional conditions, exclusions, and limitations. Warranty Policy

Rack Slide Kits	Rack Slide Kits - All Rail Kits Will Ship In Separate Box GDRAIL-14XX - 6lbs [2.72kg] GDRAIL-20XX - 7.5lbs [3.4kg] GDRAIL-26XX - 8.75lbs [3.97kg]
Fans	.7lbs per fan Three(3) fans - 2.1lbs [.95kg]
Coolers	Liquid Coolers Asetek 612X-M2 120mm AIO - 1.7lbs [.77kg] Asetek 624S-M2 240mm AIO - 1.6lbs [.73kg] Asetek 636S-M2 360mm AIO - 1.9lbs [.86kg] Asetek 836SA 360mm Threadripper AIO - 2.35lbs [1.07kg] Retention kits - .25lbs [.11kg]
Brackets	Fan Brackets Rear Fan - .25lbs [.11kg] Rear Fan w/ A12x25 - .95lbs [.43kg]
Packaging Materials	Packaging Materials (Box, Tape, Foam Corners) 3.25lbs [1.47kg] Shipping Box Outside Dimensions 20.5" x 18.5" x 11.5" Shipping box is ECT52, Double Wall, Kraft Brown Standard SLIGER branded tape, optional unbranded kraft brown tape for business customers

Product Lifecycle	Planned availability through 2032 Extended availability beyond 8 years as built-to-order(BTO) with a 25 unit MOQ
EMI / Safety	Case cannot be certified as a standalone item. Certifications must be sought as a fully integrated system. Contact us before using case for FCC, CE, UL, IEC, or other safety / regulatory compliance. Alternate vent sizes, brackets, EMI springs, and/or powder coat masking, may be required depending on certifications sought. UL listed wire, fans, coolers, and materials where possible
Industry Standards	19-inch rack standard Electronic Industries Alliance EIA-310-D International Electrotechnical Commission IEC 60297-1 / IEC 60297-3-100 Consumer Electronics Association CEA-310-E Deutsches Institut für Normung DIN 41494
Environmental	Compliant with RoHS Directive 2002/95/EC, 2015/863 RoHS2, RoHS3 (EU) with all applicable exemptions Regulation (EC) No 1907/2006 Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) Compliant for all Substances of Very High Concern (SVHC) Conflict–Free Sourcing Initiative (CFSI) with Conflict-Minerals Report (CMRT) available upon request Compliant with US EPA PBT Section 6 Toxic Substances Control Act (TSCA)
Import / Export	Harmonized Tariff Schedule (HTS) / HS Schedule B 8473.30.0002 - COMPUTER CASES AND ACCESSORIES Export Control Classification Number [ECCN] EAR99 LOW-TECHNOLOGY CONSUMER GOODS Country of Origin United States of America "Made in USA" per Federal Trade Commission (FTC) subchapter C title 16 Code of Federal Regulations Part 323 TAA (Trade Agreements Act) Compliant for GSA Schedules, IDIQ contracts, and DoD contracts Compliant with Section 889 of Federal Acquisition Regulation (FAR) of National Defense Authorization Act (NDAA)
Rev Control	1.0 (4/18/22 - 2/28/25) Initial Release 1.1 (2/28/25 - //**) Revised Motherboard Tray to remove single vertical PCIe Slot

Community Help Links	Asetek 836 Reddit Thread Dedicated Sliger Subreddit [www.reddit.com/r/sliger] Sliger PC Cases Unofficial Discord [for questions and build help]
Install Guides	Asetek Retention Kit Installation Instructions Rack Rail Installation Screw Guide
User Manuals	General Devices Rev B User Manual

CX3251g25" 3U | 6x External 5.25" Bays

Pre Order

Technical Specifications

Case Mechanicals

Weight & Dimensions

Regulatory & Homologation

Guides & Links