Rack Rental Cost in Datacenters 2025: What You Actually Pay and Why
May 8, 2025 · 9 min read · System Networks
Colocation pricing looks simple on paper: you rent space in a rack and pay for power and connectivity. In practice, the final bill is driven by 5 factors that salespeople rarely explain upfront. This article breaks down real market prices for Moscow and European datacenters in 2025.
Market Prices: Moscow and EU Datacenters
| Unit | Moscow (Tier III) | Frankfurt (Tier III) | Notes |
|---|---|---|---|
| 1U server space | ₽3,000 – ₽8,000/mo | €45 – €90/mo | Price varies by DC tier and power per unit |
| Half rack (22U) | ₽18,000 – ₽35,000/mo | €300 – €550/mo | Usually includes 1–2 kW power |
| Full rack (42U) | ₽35,000 – ₽90,000/mo | €600 – €1,200/mo | Includes 3–5 kW standard power |
| Cross-connect (1Gbit) | ₽2,000 – ₽5,000/mo | €50 – €120/mo | Additional port to another cabinet |
| Dedicated 10G uplink | ₽15,000 – ₽40,000/mo | €150 – ₽400/mo | Unmetered vs 95th percentile billing |
5 Factors That Drive the Final Price
1. Power density
The biggest variable. Standard racks include 3–5 kW. High-density equipment (GPU servers, blade systems) may require 10–20 kW per rack. Each additional kilowatt costs ₽1,500–₽3,500/month in Moscow. Always calculate your actual power requirements before signing.
2. Connectivity model
Unmetered vs 95th percentile billing makes a huge difference for high-bandwidth users. Unmetered is predictable. 95th percentile billing means your top 5% traffic spikes are excluded — cheaper if your traffic is bursty.
3. DC tier level
Tier III (99.982% uptime) costs approximately 40–60% more than Tier II. For production systems: Tier III is the minimum. For dev/backup: Tier II is acceptable and significantly cheaper.
4. Remote hands and smart hands
Emergency hands (rebooting a server, inserting a cable) are billed per ticket or per hour. Budgeting ₽15,000–₽30,000/month for hands is realistic for a standard setup. Negotiate a monthly retainer if you expect regular work.
5. Contract term
Annual contracts typically give 15–25% discount vs month-to-month. 3-year contracts can yield 30–40% discount. If you are confident in your infrastructure requirements, commit to a longer term.
Hidden Costs: What to Watch in the Contract
Setup / installation fee
Often ₽5,000–₽20,000 per rack. Negotiate waiver on annual contracts.
Power overages
Exceeding contracted power draws automatic surcharges. Meter your equipment before deployment.
Cross-connect fees
Connecting to other tenants or carriers within the DC costs extra. Often not included in base price.
Visitor access fees
Some DCs charge per-visit or require pre-registration. Budget for engineer access time.
IP address allocation
Additional IPv4 addresses cost ₽300–₽500/address/month. IPv6 typically included.
Cooling supplemental
High-density rows may require supplemental cooling at extra cost. Check with DC before deploying.
When Colocation Beats Cloud: 3-Year TCO
Cloud appears cheaper upfront, but over 24–36 months colocation typically wins for stable workloads. Here is a simplified example for a mid-size application stack:
| Cost type | Cloud (3 years) | Colocation (3 years) |
|---|---|---|
| Infrastructure (compute/rack) | ₽4,800,000 | ₽1,620,000 |
| Hardware purchase | — | ₽1,200,000 |
| Staff (admin time) | ₽360,000 | ₽720,000 |
| Connectivity | Included | ₽540,000 |
| Total 3-year TCO | ₽5,160,000 | ₽4,080,000 |
* Indicative figures for a 4-server stack, 20 TB storage, 100 Mbps bandwidth. Actual numbers depend on specific requirements.
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