Geekom GT13 Pro — Quick Specs Summary
| Component | Specification | Upgradeable? |
|---|---|---|
| Processor | Intel Core i9-13900H (14-core: 6 P-core + 8 E-core, up to 5.4 GHz) | No |
| RAM | 16GB, 32GB DDR5 SO-DIMM (2 slots, max 64GB) | Yes — UPGRADEABLE to 64GB |
| Internal SSD | 512GB, 1TB M.2 NVMe (2280, 2 slots) | Yes — both slots user-replaceable |
| Ports | 1× Thunderbolt 4, 4× USB-A 3.2 Gen 2, 2× USB-C, HDMI 2.1, Gigabit Ethernet | Expandable via TB4 dock |
| Wireless | WiFi 6E (802.11ax + 6GHz), Bluetooth 5.3 | No |
| Power Supply | 90W USB-C PD | No |
| Price | £500–600 | N/A |
GT13 Pro Overview: Flagship Geekom Mini PC
Performance Profile
The GT13 Pro is Geekom’s top-tier mini PC, featuring Intel’s powerful 13th-gen i9-13900H mobile processor. Performance comparison:
- vs Apple M4: ~15% faster multi-threaded, ~5% slower single-threaded
- vs M4 Pro: Competitive but slower in GPU-accelerated tasks (no dedicated GPU like M4)
- Best at: Development, virtual machines, workstation-class computing, sustained multi-threaded workloads
Upgradeability Advantage
Unlike sealed Apple Silicon Mac Minis, the GT13 Pro lets you:
- Upgrade RAM to 64GB (DDR5 SO-DIMM)
- Replace/add SSD via 2× M.2 NVMe slots
- Expand storage to 2TB+ easily
RAM Compatibility & Upgrades
DDR5 SO-DIMM: The Latest Standard
GT13 Pro uses 2× DDR5 SO-DIMM slots (laptop form factor). This is cutting-edge memory technology—significantly faster than DDR4 with better power efficiency.
Configuration Options
- Factory 16GB: 2× 8GB DDR5
- Factory 32GB: 2× 16GB DDR5
- Upgrade path: 16GB → 32GB (£80–120) or 16GB → 64GB (£150–200)
Upgrade Steps
- Power down and unplug
- Remove bottom panel (screws vary by revision)
- Locate 2 RAM slots
- Push clip tabs outward, eject current modules at 45°
- Insert new DDR5 SO-DIMM at 45°, press down until clips engage
- Reassemble, boot, verify in BIOS/System Info
RAM Recommendations
| Use Case | Recommended | Cost (approx) |
|---|---|---|
| General use, light development | 16GB (keep factory) | +£0 |
| Professional development, Docker | 32GB (2× 16GB DDR5) | +£80–120 |
| Heavy virtualisation, multiple VMs | 64GB (2× 32GB DDR5) | +£150–200 |
Compatible RAM Brands
Compatible: Crucial DDR5-5600 16GB SODIMM, Kingston Fury DDR5-5600.
SSD Compatibility & Upgrades
Dual M.2 NVMe Slots
GT13 Pro includes 2× M.2 2280 NVMe slots. This is excellent for expansion:
- Factory config: 512GB or 1TB (usually 1 slot populated)
- Second slot empty: Add another drive
- Total capacity: Up to 2TB + 2TB = 4TB maximum
SSD Replacement Steps
- Power down, unplug
- Remove bottom panel
- Locate M.2 slots (typically mid-board)
- Eject existing SSD (push at 30°, release, pull out)
- Insert new NVMe at 30°, press down until seated and screw if needed
- Close panel, boot
Recommended SSD Options
Compatible: Samsung 990 EVO M.2 NVMe, WD Blue SN580, Crucial P3 Plus.
Power Supply & Thermal Design
90W USB-C Power Delivery
GT13 Pro uses 90W USB-C PD. Adequate for sustained multi-threaded workloads. In brief compute bursts (compilation, export), power draw peaks at 60–75W. Under light load: 20–30W.
Active Cooling
GT13 Pro includes a small active fan (unlike passive Mac Mini). Under sustained load, fan noise is audible (~30–35 dB) but not intrusive. Ambient temp tolerance: up to 30°C without thermal throttling.
Connectivity & Display Support
Thunderbolt 4: One Port
GT13 Pro has only 1× TB4 port (vs M4’s 3×). TB4 docks expand connectivity, but single port limits daisy-chaining. For minimal expansion, adequate.
USB-A & USB-C Abundance
4× USB-A 3.2 Gen 2 + 2× USB-C 3.2 Gen 2 provide plenty of wired connectivity without needing a dock. HDMI 2.1 supports 4K 120Hz or 8K 30Hz.
Display Support
Supports up to 3 simultaneous displays:
- 1× HDMI 2.1 (4K 120Hz or 8K 30Hz)
- 2× displays via TB4 (USB-C alt mode)
WiFi 6E & Networking
WiFi 6E Performance
802.11ax on 2.4/5/6GHz delivers ~1.2 Gbps peak. Real-world office: 400–600 Mbps. Gigabit Ethernet port is included; use for stable LAN connections or NAS access.
Upgradeability Score
| Category | Score | Notes |
|---|---|---|
| RAM Upgrade | 9/10 | User-replaceable DDR5 SO-DIMM; 64GB max |
| SSD Upgrade | 10/10 | Dual M.2 slots; both replaceable; 4TB max |
| Ports & Connectivity | 8/10 | 1× TB4 + abundant USB-A/C; good without dock |
| Display Support | 8/10 | 3 simultaneous displays via HDMI + TB4 |
| Overall Upgradeability | 9/10 | Excellent RAM/SSD expansion; competitive with high-end workstations |
Frequently Asked Questions
Is GT13 Pro better than Mac mini M4?
Comparable performance; GT13 Pro excels in upgradeability (64GB RAM, dual SSD slots). M4 is more energy-efficient and compact. Choose GT13 Pro if you need expansion; M4 if sealed simplicity is preferred.
Should I buy 16GB or 32GB factory config?
Start with 16GB; upgrade to 32GB if workload demands. DDR5 RAM is expensive upfront. Most developers work fine on 32GB factory config; upgrade later if needed.
Can I use both M.2 slots simultaneously?
Yes. Add a second SSD to the empty slot (or replace the existing 512GB with larger drive). Both run at full NVMe speed; no RAID0 configuration needed for basic dual-drive setup.
What’s the best upgrade path for GT13 Pro?
Factory 16GB + 512GB → add 32GB RAM (£120) + 1TB SSD in second slot (£60) = £500–600 system with 32GB RAM + 1.5TB storage for ~£680 total.
Is the single Thunderbolt 4 port limiting?
Not really. Abundant USB-A/C ports handle most peripherals. TB4 dock helps if you need 6+ Thunderbolt daisy-chain ports (rare outside studios).
Recommended Products
These are the products we recommend based on this guide. All links go to Amazon UK where you can check current prices and availability.
| Product | Why We Recommend It | Amazon UK |
|---|---|---|
| Corsair Vengeance DDR4 SO-DIMM 32GB (2×16GB) 3200MHz | Best overall DDR4 upgrade kit | View on Amazon UK |
| Kingston Fury Impact DDR4 SO-DIMM 32GB (2×16GB) 3200MHz | Reliable alternative with tight latency | View on Amazon UK |
| Corsair Vengeance DDR5 SO-DIMM 32GB (2×16GB) 5600MHz | Top-rated DDR5 kit for gaming & productivity | View on Amazon UK |
| Kingston Fury Impact DDR5 SO-DIMM 32GB (2×16GB) 5600MHz | Excellent DDR5 alternative with XMP support | View on Amazon UK |
| Samsung 990 Pro 2TB NVMe M.2 2280 | Fastest consumer NVMe — ideal for gaming & editing | View on Amazon UK |
| WD Black SN850X 2TB NVMe | Excellent Gen4 speed with heatsink option | View on Amazon UK |
| Crucial P5 Plus 1TB NVMe | Great value Gen4 SSD | View on Amazon UK |
| Kingston NV2 1TB NVMe | Budget-friendly with solid reliability | View on Amazon UK |
Prices and availability may vary. As an Amazon Associate, we earn from qualifying purchases.
