Ambedded Technology Co., LTD. - Ceph Storage Solutions; Ceph Appliances & Software - Ambedded

With Ceph recommendation, 1TB HDD will require 1GB RAM, Mars 400 only has 4GB RAM on each microserver, does it support HDD with a bigger size than 4TB? | ARM microserver Ceph storage solutions | Ambedded

Indeed, on Ceph documentation hardware recommendations, A general rule of thumb is ~1GB of RAM for 1TB of storage space, however, this rule is more applying to the centralized architecture on general x86 server, when the powerful server motherboard shall allocate RAM resource to different OSD daemon.Mars 400 ARM server is with microserver architecture, with 1xhost vs. 1x OSD, and each OSD has its dedicated hardware resource including CPU, memory, onboard flash and disk, so we don't need to follow the general rule of 1GB of RAM for 1TB of storage space.Today, Ambedded Mars 400 (or Mars 400SES) can support the 3.5"HDD up to 14TB/each. Ambedded is a Taiwan high performance Software-defined Storage solutions provider. Ceph storage appliance, Ceph turnkey solution, Ceph professional service, Emergency Ceph support, Ceph storage software solution package on general servers, S3 object storage provider since 2013. Discover Ambedded's Ceph storage appliances and full-stack software. Pre-tuned, web UI, expert support - optimized for AI, cloud, and enterprise workloads. With more than 20 years Software Defined Storage experience, Ambedded with the talented team experienced in ARM based software defined storage appliance design and manufacture.

With Ceph recommendation, 1TB HDD will require 1GB RAM, Mars 400 only has 4GB RAM on each microserver, does it support HDD with a bigger size than 4TB? | Turnkey Ceph appliance provider | Ambedded

With Ceph recommendation, 1TB HDD will require 1GB RAM, Mars 400 only has 4GB RAM on each microserver, does it support HDD with a bigger size than 4TB? | Ceph solution integrates with easy installation, pre-configured software, and a user-friendly UI. Also provide Ceph consultancy, professional service, and seamless updates, offering both software-only and turnkey appliance options.

With Ceph recommendation, 1TB HDD will require 1GB RAM, Mars 400 only has 4GB RAM on each microserver, does it support HDD with a bigger size than 4TB?

Indeed, on Ceph documentation hardware recommendations, A general rule of thumb is ~1GB of RAM for 1TB of storage space, however, this rule is more applying to the centralized architecture on general x86 server, when the powerful server motherboard shall allocate RAM resource to different OSD daemon.

Mars 400 ARM server is with microserver architecture, with 1xhost vs. 1x OSD, and each OSD has its dedicated hardware resource including CPU, memory, onboard flash and disk, so we don't need to follow the general rule of 1GB of RAM for 1TB of storage space.

Today, Ambedded Mars 400 (or Mars 400SES) can support the 3.5"HDD up to 14TB/each.


With Ceph recommendation, 1TB HDD will require 1GB RAM, Mars 400 only has 4GB RAM on each microserver, does it support HDD with a bigger size than 4TB? | Ceph Storage Solutions; Ceph Appliances & Software|Ambedded

Founded in Taiwan in 2013, Ambedded Technology Co., Ltd. is a leading provider of block, file, and object storage solutions based on Ceph software-defined storage. We specialize in delivering high-efficiency, scalable storage systems for data centers, enterprises, and research institutions. Our offerings include Ceph-based storage appliances, server integration, storage optimization, and cost-effective Ceph deployment with simplified management.

Ambedded provides turnkey Ceph storage appliances and full-stack Ceph software solutions tailored for B2B organizations. Our Ceph storage platform supports unified block, file (NFS, SMB, CephFS), and S3-compatible object storage, reducing total cost of ownership (TCO) while improving reliability and scalability. With integrated Ceph tuning, intuitive web UI, and automation tools, we help customers achieve high-performance storage for AI, HPC, and cloud workloads.

With over 20 years of experience in enterprise IT and more than a decade in Ceph storage deployment, Ambedded has delivered 200+ successful projects globally. We offer expert consulting, cluster design, deployment support, and ongoing maintenance. Our commitment to professional Ceph support and seamless integration ensures that customers get the most from their Ceph-based storage infrastructure — at scale, with speed, and within budget.