Rosewill
Rosewill 3U Server Chassis Rackmount Case
Bottom line: The Rosewill 3U Server Chassis Rackmount Case ($110.49 on Amazon as of 2026-10-06): 3U rackmount, ATX compatible with 4 PCI expansion slots; main trade-off: only 3U tall, limits tall CPU coolers and full-height GPUs.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ 3U rackmount, ATX compatible with 4 PCI expansion slots
- ✓ 4 internal 3.5" HDD bays for storage builds
- ✓ 2 pre-installed 80mm PWM front fans for airflow
- ✓ Front USB 3.0 x2 for fast wired transfers
- ✓ Power, HDD, and LAN status LED indicators on front panel
Cons
- ✗ Only 3U tall, limits tall CPU coolers and full-height GPUs
- ✗ 4 HDD bays may fall short for large NAS builds
- ✗ Rack-only form factor, not desk-friendly
- ✗ 80mm fans move less air than 120mm at same noise
SpecPicks Verdict
SpecPicks scored Rosewill 3U Server Chassis Rackmount Case using a rating × review-volume × price-fit model applied to published specs and reviews across the pc cases category. Rosewill's pc cases lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for pc cases of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- Roomy Chassis: This 3U server case has 4 internal 3.5" HDD bays.
- Expandable & ATX Compatible: 4 PCI expansion slots and ATX compatibility gives you options for expansion.
- Quiet Cooling: 2 pre-installed 80mm PWM front cooling fans provide excellent airflow and heat protection at reduced noise.
- Desired Features: Front panel LED indicators for power, HDD, and LAN status monitoring allow quick, easy visual assessment. Additional utility with 2 USB 3.0 port.
Full Specifications
| Brand | Rosewill |
|---|---|
| Color | Silver |
| Material | Alloy Steel |
| Case Type | Tower |
| Model Name | RSV-Z3100U |
| Connectivity | USB |
| Model Number | RSV-Z3100U |
| Quiet Cooling | 2 pre-installed 80mm PWM front cooling fans provide excellent airflow and heat protection at reduced noise. |
| Roomy Chassis | This 3U server case has 4 internal 3.5" HDD bays. |
| Cooling Method | Air |
| Number of Fans | 2 |
| Mfr Part Number | RSV-Z3100U |
| Total Usb Ports | 2 |
| Antenna Location | Business |
| Desired Features | Front panel LED indicators for power, HDD, and LAN status monitoring allow quick, easy visual assessment. Additional utility with 2 USB 3.0 port. |
| Compatible Devices | CPU, Desktop, Server |
| Enclosure Material | Alloy Steel |
| Total USB 2.0 Ports | 1 |
| Total USB 3.0 Ports | 1 |
| Warranty Description | 1 Year Manufacturer |
| Full listing title | Rosewill 3U Server Chassis Rackmount Case | 6 x 3.5 Bays | ATX Compatible | 2 x 80mm Fans | 2 x USB 3.0 | RSV-Z3100U |
Ready to buy?
Rosewill 3U Server Chassis Rackmount Case | 6 x 3.5 Bays | ATX Compatible | 2 x 80mm Fans | 2 x USB 3.0 | RSV-Z3100U is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Related PC Cases
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Best Retro Handhelds in 2026 — From $35 to $500
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Best 1440p Gaming GPUs in 2026
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- How to Build a Windows 98 Retro PC in 2026
More reviews from the SpecPicks archive
Browse all reviews →- Lossless Scaling on Steam Deck: Is It Worth It?
- Ryzen 5 2600 vs Ryzen 5 5600X for CPU-Only gpt-oss 20B (2026)
- 16GB vs 32GB RAM for Windows 11 Gaming in 2026
- Best SSD for a Big Steam Library: Crucial BX500 1TB vs WD Blue
- Best SSD for PS4 Pro: SATA Upgrades That Actually Help
- Best 4K Gaming Monitors Under $500 in 2026
- CompactFlash Boot Drive for Windows 98: Transcend CF133 Setup and Benchmarks
- Patch-to-Exploit in Hours: Why a Local Security LLM Rig Now Makes Sense
- Qwen3.6 35B-A3B on a 12GB GPU: 95 tok/s on 4070 Super, 34 on 3060
- IBM Granite 4.1 (3B / 8B / 30B): Local Inference Benchmarks and Hardware Picks
- Best Noctua and Quiet-Tier CPU Coolers in 2026
- 32GB of DDR5 Drops to $240 in New Newegg Build Bundles
- Intel Arc Pro B60 Price: Is $999 Worth It in 2025?
- ComfyUI on an RTX 3060 12GB: Local Image Generation Setup
- A 4B Local Coding Agent That Hits 87%: Does It Run on a 3060?
- GTX 1050 Ti in 2026: Performance, Use Cases, and Modern Comparisons
- Used RTX 3090 for Local LLM in 2026: 24GB Inference Reality Check + Servicing Guide
- Raspberry Pi Air Quality Sensor Guide: Setup & Sensor Picks
- AMD Ryzen 7 5800X3D Re-Review: Maxing Out DDR4 Gaming in 2026
- GameSir G7 SE vs 8BitDo Pro 2: Best Wired-vs-Wireless PC Controller
- Best Mini-ITX Case for a Small Form Factor Gaming PC in 2026
- How to Build a $2000 Home AI Rig in 2026: Used RTX 3090 Guide
- Kimi K3 Scores 57 on Intelligence Index at $0.94/Task
- Best Game Controller for PC in 2026: 5 Picks From DualSense to Arcade Stick
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090