Calibour Germany Frankfurt AMD EPYC-v4 Hourly-Billed Cloud Server Test and Review
This evaluation focuses on the Calibour Germany Frankfurt hourly-billed cloud server (2G plan), equipped with a single AMD EPYC-v4 core, 2 GB RAM, and a 1 Gbps uplink. The aim was to understand how this minimal configuration behaves under common workloads relevant to lightweight enterprise deployments—such as micro-services, edge tasks, testing environments, and small-scale web hosting. The tests covered CPU throughput, memory bandwidth, disk I/O, global network speed, streaming unlock capabilities, and IP reputation.
About Calibour
Calibour.com is an independent European hosting provider founded in 2014 in Traben-Trarbach, Germany. Operating without investor backing, the company focuses on delivering secure, private, and resilient internet infrastructure. With a small team of four experienced engineers—each boasting over a decade in systems, software, and network operations—Calibour manages more than 300 servers across two locations in Germany and the Netherlands, supporting a total network capacity of 150 Gbit/s. The company’s mission emphasizes data sovereignty and anonymous internet access, rooted in the belief that free and unrestricted connectivity is a fundamental right. This commitment has guided Calibour through its early controversial phases, maintaining a user-centric approach that prioritizes privacy and freedom for individuals and organizations alike.
Calibour offers a comprehensive suite of hosting services, including domain registration, shared web hosting, virtual private servers (VPS), and dedicated servers. Its flagship cloud servers feature high-performance AMD processors, starting at just €2.50 per month with hourly billing for flexibility. These servers deploy instantly via an automated system, supporting a wide range of OS templates. Key features include enterprise-grade hardware from brands like Supermicro, Juniper, and AMD; free BGP sessions for custom IP and ASN integration; and robust privacy measures, such as minimal data collection, no tracking or ads, and no KYC requirements. Payments can even be made anonymously using cryptocurrencies like Monero or cash, appealing to privacy-conscious users.
Environmentally, Calibour stands out by powering all services with 100% renewable energy, primarily from hydro and solar sources. This green initiative includes energy-efficient data centers with advanced monitoring, reducing CO₂ emissions significantly. Serving over 200 customers with more than 300 active services, Calibour partners with industry leaders like Leaseweb, Supermicro, Openprovider, and Inferno to ensure reliability. While customer support details are not prominently detailed, the provider’s emphasis on resilience and sovereignty makes it ideal for those seeking affordable, ethical hosting solutions in a privacy-eroding digital landscape.
Pricing
Official Website: https://Calibour.com
Coupon
The merchant did not provide
Basic Information
Processor : AMD EPYC-v4 Processor
CPU Numbers : 1
CPU Frequency : 2849.998 MHz
CPU Cache : L1: 32.00 KB / L2: 512.00 KB / L3: 8.00 MB
AES-NI : ✔ Enabled
VM-x/AMD-V : ✘ Disabled
RAM : 453.69 MiB / 1.92 GiB
Swap : [ no swap partition or swap file detected ]
Disk Space : 1.65 GiB / 49.01 GiB
Boot Disk : /dev/vda1
Uptime : 0 days, 0 hour 9 min
Loads : 0.34, 0.33, 0.20
OS Release : Debian GNU/Linux 13 (trixie) (x86_64)
Arch : x86_64 (64 Bit)
Kernel Version : 6.12.41+deb13-amd64
TCP Acceleration : bbr
VM Type : KVM
NAT Type : Full Cone
IPV4 ASN : AS200950 Lyratris Limited
IPV4 Location : Frankfurt am Main / Hesse / DE
IPV6 ASN : AS200950 Lyratris Limited
IPV6 Location : Frankfurt am Main / Hesse / Germany
IPV6 Subnet Mask : 64
CPU Benchmark
----------------------------CPU-Sysbench-Test----------------------------
-> CPU test in progress (Fast Mode, 1-Pass @ 5sec)
1 Thread(s) Test: 4093 Scores
Geekbench 6 Benchmark Test:
---------------------------------
Test | Value
|
Single Core | 1704
Multi Core | 1671
Full Test | https://browser.geekbench.com/v6/cpu/15076995
YABS completed in 8 min 7 sec
RAM Read/Write Tests
-------------------------------Memory-Test-------------------------------
-> Memory Test (Fast Mode, 1-Pass @ 5sec)
Single Read Test: 45324.85 MB/s
Single Write Test: 25265.35 MB/s
Running memory speed test with the following options:
block size: 1KiB
total size: 102400MiB
operation: read
scope: global
Initializing worker threads...
Threads started!
Total operations: 75967542 (7596207.50 per second)
74187.05 MiB transferred (7418.17 MiB/sec)
General statistics:
total time: 10.0000s
total number of events: 75967542
Latency (ms):
min: 0.00
avg: 0.00
max: 4.42
95th percentile: 0.00
sum: 2769.55
Threads fairness:
events (avg/stddev): 75967542.0000/0.00
execution time (avg/stddev): 2.7696/0.00
Running memory speed test with the following options:
block size: 1KiB
total size: 102400MiB
operation: write
scope: global
Initializing worker threads...
Threads started!
Total operations: 64163311 (6415962.91 per second)
62659.48 MiB transferred (6265.59 MiB/sec)
General statistics:
total time: 10.0000s
total number of events: 64163311
Latency (ms):
min: 0.00
avg: 0.00
max: 7.55
95th percentile: 0.00
sum: 3812.57
Threads fairness:
events (avg/stddev): 64163311.0000/0.00
execution time (avg/stddev): 3.8126/0.00
Disk Read/Write Tests
-------------------------Disk-dd-Read/Write-Test-------------------------
-> Disk test in progress (4K Block/1M Block, Direct Mode)
Block Size Write Test Read Test
100MB-4K Block 39.4 MB/s (9608 IOPS, 2.66s) 67.4 MB/s (16460 IOPS, 1.56s)
1GB-1M Block 1.4 GB/s (1333 IOPS, 0.75s) 2.0 GB/s (1933 IOPS, 0.52s)
------------------------Disk-fio-Read/Write-Test-------------------------
Block Size | 4k (IOPS) | 64k (IOPS)
------ | --- ---- | ---- ----
Read | 71.73 MB/s (17.9k) | 667.61 MB/s (10.4k)
Write | 71.92 MB/s (17.9k) | 671.13 MB/s (10.4k)
Total | 143.66 MB/s (35.9k) | 1.33 GB/s (20.9k)
| |
Block Size | 512k (IOPS) | 1m (IOPS)
------ | --- ---- | ---- ----
Read | 436.04 MB/s (851) | 1.22 GB/s (1.1k)
Write | 459.21 MB/s (896) | 1.30 GB/s (1.2k)
Total | 895.26 MB/s (1.7k) | 2.53 GB/s (2.4k)
Iperf3 Network Tests
iperf3 Network Speed Tests (IPv4):
---------------------------------
Provider | Location (Link) | Send Speed | Recv Speed | Ping
Clouvider | London, UK (10G) | 830 Mbits/sec | 763 Mbits/sec | 11.9 ms
Eranium | Amsterdam, NL (100G) | 835 Mbits/sec | 800 Mbits/sec | 5.97 ms
Uztelecom | Tashkent, UZ (10G) | 779 Mbits/sec | 769 Mbits/sec | 86.0 ms
Leaseweb | Singapore, SG (10G) | 695 Mbits/sec | 623 Mbits/sec | 161 ms
Clouvider | Los Angeles, CA, US (10G) | 508 Mbits/sec | 540 Mbits/sec | 139 ms
Leaseweb | NYC, NY, US (10G) | 774 Mbits/sec | 747 Mbits/sec | 82.3 ms
Edgoo | Sao Paulo, BR (1G) | 681 Mbits/sec | 695 Mbits/sec | 188 ms
iperf3 Network Speed Tests (IPv6):
---------------------------------
Provider | Location (Link) | Send Speed | Recv Speed | Ping
Clouvider | London, UK (10G) | 830 Mbits/sec | 765 Mbits/sec | 11.9 ms
Eranium | Amsterdam, NL (100G) | 834 Mbits/sec | 793 Mbits/sec | 5.94 ms
Uztelecom | Tashkent, UZ (10G) | 775 Mbits/sec | 758 Mbits/sec | 86.0 ms
Leaseweb | Singapore, SG (10G) | 688 Mbits/sec | 647 Mbits/sec | 161 ms
Clouvider | Los Angeles, CA, US (10G) | 548 Mbits/sec | 447 Mbits/sec | 137 ms
Leaseweb | NYC, NY, US (10G) | 774 Mbits/sec | 663 Mbits/sec | 82.3 ms
Edgoo | Sao Paulo, BR (1G) | 668 Mbits/sec | 665 Mbits/sec | 188 ms UnixBench Tests
Benchmark Run: Mon Nov 17 2025 02:08:13 - 02:36:15
1 CPU in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 50756568.7 lps (10.0 s, 7 samples)
Double-Precision Whetstone 9344.9 MWIPS (9.8 s, 7 samples)
Execl Throughput 2739.6 lps (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 705916.1 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 186431.2 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 2510126.6 KBps (30.0 s, 2 samples)
Pipe Throughput 1186408.2 lps (10.0 s, 7 samples)
Pipe-based Context Switching 169499.3 lps (10.0 s, 7 samples)
Process Creation 7083.7 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 7999.1 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 1091.2 lpm (60.0 s, 2 samples)
System Call Overhead 1306082.7 lps (10.0 s, 7 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 50756568.7 4349.3
Double-Precision Whetstone 55.0 9344.9 1699.1
Execl Throughput 43.0 2739.6 637.1
File Copy 1024 bufsize 2000 maxblocks 3960.0 705916.1 1782.6
File Copy 256 bufsize 500 maxblocks 1655.0 186431.2 1126.5
File Copy 4096 bufsize 8000 maxblocks 5800.0 2510126.6 4327.8
Pipe Throughput 12440.0 1186408.2 953.7
Pipe-based Context Switching 4000.0 169499.3 423.7
Process Creation 126.0 7083.7 562.2
Shell Scripts (1 concurrent) 42.4 7999.1 1886.6
Shell Scripts (8 concurrent) 6.0 1091.2 1818.7
System Call Overhead 15000.0 1306082.7 870.7
========
System Benchmarks Index Score 1319.2
======= Script description and score comparison completed! =======
Streaming Unlock Tests
============[ Multination ]============
Dazn: IP Banned by Dazn
Disney+: No (IP Banned By Disney+ 1)
Netflix: Yes (Region: )
YouTube Premium: Yes (Region: DE)
Amazon Prime Video: Yes (Region: DE)
TVBAnywhere+: Yes
Spotify Registration: No
OneTrust Region: DE [Hesse]
iQyi Oversea Region: DE
Bing Region: DE (Risky)
Apple Region: DE
YouTube CDN: Frankfurt
Netflix Preferred CDN: Failed (CDN IP Not Found)
ChatGPT: Yes
Google Gemini: No
Claude: Yes
Wikipedia Editability: Yes
Google Play Store: Germany
Google Search CAPTCHA Free: Yes
Steam Currency: EUR
---Forum---
Reddit: No
---Game---
SD Gundam G Generation Eternal: No
=======================================
IP Quality Detection
Data for reference only, does not represent 100% accurate, if and the actual situation is not consistent with the manual query multiple database comparison
The following is the tag of each database, the output will come with the corresponding number of the database source
ipinfo databases [0] | scamalytics databases [1] | virustotal databases [2] | abuseipdb databases [3] | ip2location databases [4]
ip-api databases [5] | ipwhois databases [6] | ipregistry databases [7] | ipdata databases [8] | db-ip databases [9]
ipapiis databases [A] | ipapicom databases [B] | bigdatacloud databases [C] | dkly databases [D] | ipqualityscore databases [E]
ipintel databases [F] | ipfighter databases [G] | fraudlogix databases [H] | cloudflare databases [I] |
IPV4:
Security Score:
TrustScore: 97 [8]
VpnScore: 0 [8]
ProxyScore: 10 [8]
CommunityVoteHarmless: 0 [2]
CommunityVoteMalicious: 0 [2]
ThreatScore: 0 [8]
FraudScore: 0 [E]
AbuseScore: 0 [3]
ASNAbuseScore: 0.0035 (Low) [A]
CompannyAbuseScore: 0 (Very Low) [A]
ThreatLevel: low [9]
Traffic Ratio: Human(higher is better)70% [I] Bot(lower is better)29% [I]
Blacklist Records Statistics (how many blacklisted websites have records):
HarmlessnessRecords: 0 [2] MaliciousRecords: 0 [2] SuspiciousRecords: 0 [2] NoRecords: 95 [2]
Security Info:
UsageType: business [9] hosting [0 3 7 A C]
CompanyType: hosting [0 7 A]
BrowserType: Mainstream:78% Other:21% [I]
DeviceType: Desktop:79% Mobile:20% Other:0% [I]
OSType: Mainstream:97% Other:2% [I]
IsCloudProvider: Yes [7 D]
IsDatacenter: No [5 6 8 C G] Yes [0 A]
IsMobile: Yes [E] No [5 A C G]
IsProxy: Yes [G] No [0 4 5 6 7 8 9 A C D E]
IsVpn: No [0 6 7 A C D E G]
IsTor: No [0 3 6 7 8 A C D E]
IsTorExit: No [7 D]
IsCrawler: No [9 A E]
IsAnonymous: No [6 7 8 D]
IsAttacker: No [7 8 D]
IsAbuser: No [7 8 A C D E]
IsThreat: No [7 8 C D]
IsRelay: No [0 7 8 C D]
IsBogon: No [7 8 A C D]
IsBot: No [E]
DNS-BlackList: 314(Total_Check) 0(Clean) 0(Blacklisted) 0(Other)
IPV6:
Security Score:
AbuseScore: 0 [3]
ASNAbuseScore: 0.0035 (Low) [A]
CompannyAbuseScore: 0 (Very Low) [A]
Traffic Ratio: Human(higher is better)70% [I] Bot(lower is better)29% [I]
Security Info:
UsageType: hosting [3 A]
CompanyType: hosting [A]
BrowserType: Mainstream:78% Other:21% [I]
DeviceType: Desktop:79% Mobile:20% Other:0% [I]
OSType: Mainstream:97% Other:2% [I]
IsDatacenter: Yes [A] No [G]
IsMobile: No [A G]
IsProxy: Yes [G] No [A]
IsVpn: No [A G]
IsTor: No [3 A]
IsCrawler: No [A]
IsAbuser: No [A]
IsBogon: No [A]
DNS-BlackList: 314(Total_Check) 0(Clean) 0(Blacklisted) 314(Other)
Google search feasibility: NO
Email Port Detection
Platform SMTP SMTPS POP3 POP3S IMAP IMAPS
LocalPort ✔ ✔ ✔ ✔ ✔ ✔
QQ ✘ ✔ ✔ ✘ ✔ ✘
163 ✘ ✔ ✔ ✘ ✔ ✘
Sohu ✘ ✔ ✔ ✘ ✔ ✘
Yandex ✘ ✔ ✔ ✘ ✔ ✘
Gmail ✘ ✔ ✘ ✘ ✘ ✘
Outlook ✘ ✘ ✔ ✘ ✔ ✘
Office365 ✘ ✘ ✔ ✘ ✔ ✘
Yahoo ✘ ✔ ✘ ✘ ✘ ✘
MailCOM ✘ ✔ ✔ ✘ ✔ ✘
MailRU ✘ ✔ ✘ ✘ ✔ ✘
AOL ✘ ✔ ✘ ✘ ✘ ✘
GMX ✘ ✔ ✔ ✘ ✔ ✘
Sina ✘ ✘ ✔ ✘ ✘ ✘
Apple ✘ ✘ ✘ ✘ ✘ ✘
FastMail ✘ ✔ ✘ ✘ ✘ ✘
ProtonMail✘ ✘ ✘ ✘ ✘ ✘
MXRoute ✘ ✘ ✔ ✘ ✔ ✘
Namecrane ✘ ✔ ✔ ✘ ✔ ✘
XYAMail ✘ ✘ ✘ ✘ ✘ ✘
ZohoMail ✘ ✔ ✘ ✘ ✘ ✘
Inbox_eu ✘ ✔ ✔ ✘ ✘ ✘
Free_fr ✘ ✔ ✔ ✘ ✔ ✘ Looking Glass
45.86.153.65
Global Latency Tests
Query: ping 45.86.153.100, interval: 5s, dense mode: no
Probing 45.86.153.100 – RIPE NCC /24 AS200950 CALIBOURNETWORK – Germany, Hesse, Frankfurt am Main [hosting]
CloudFlare Internet Tests
Admin Control Panel
Conclusion
Benchmark data shows a server that performs above expectations for its class. The Sysbench CPU score of 4093 and Geekbench single-core result of 1704 demonstrate respectable compute ability for small workloads. Memory read/write throughput—peaking at over 74 GB/s and 62 GB/s—stands out as a strong point. Disk I/O is equally solid, with fio results reaching 2.53 GB/s on larger block operations. Network performance remains consistently high across Europe, with throughput near 830 Mbps to London and Amsterdam, while global links maintain stable mid-range speeds. Streaming unlock results are mixed, though major services like Netflix DE and Amazon Prime DE work. IP quality ratings indicate a generally reliable, low-risk address suitable for hosting scenarios.
From a performance perspective, the instance behaves like a compact but well-tuned engine: it won’t win any races, yet it accelerates briskly when asked. The memory bandwidth is particularly notable—almost resembling a car with an unexpectedly strong turbo at mid-range RPM. Disk performance is equally reassuring, suggesting that containerized workloads, small databases, and CI tasks will run smoothly without I/O contention. However, the absence of virtualization extensions (VM-x/AMD-V disabled) limits suitability for nested virtualization. Streaming unlock inconsistencies also imply that use cases involving media access or region-bypass might face limitations. Network results suggest that it thrives in European and trans-Atlantic routes, though latency to Asia-Pacific is understandably higher, akin to a sports car navigating a long mountain road where physics sets the boundaries.
Overall, the Calibour Frankfurt 2G instance delivers a balanced and unexpectedly strong performance profile for its price tier. Its CPU and memory capabilities make it a solid option for micro-applications, lightweight APIs, dev environments, or monitoring services. The high network stability across Europe adds further appeal for latency-sensitive workloads targeting EU customers. Still, buyers should be aware of media-unlock limitations and the lack of hardware virtualization support. For teams seeking an affordable, straightforward VPS with dependable throughput and a clean IP reputation, this configuration presents a compelling entry-level choice.
Official Website: https://Calibour.com
