CyberPulsTech — Consumer Tech, PC Hardware, Local AI & Home Lab Insights

Hardware
PCIe 5.0 NVMe SSD Cooling & Active Heatsink Guide in 2026: Thermal Throttling Curves at 14,000 MB/s, Tiny Fan Noise & Graphene Heatspreaders
PCIe 5.0 NVMe SSDs boasting sequential transfer speeds of 12,000...
Computing
NVMe-over-Fabrics (NVMe-oF) in Proxmox VE 8: SPDK vs. Kernel Target, RDMA (RoCEv2) Latency & 100GbE Clustered Flash Benchmarks (2026)
In enterprise homelabs and clustered Proxmox VE 8 virtualization environments,...
AI
Prompt Caching in Local LLMs (vLLM, LMDeploy & Ollama) in 2026: Prefix Caching Architecture, Time-to-First-Token (TTFT) Benchmarks & VRAM Overhead
In multi-turn local LLM inference and agentic Retrieval-Augmented Generation (RAG),...
AI
KV Cache Quantization in 2026: FP8 vs. INT4 in vLLM & SGLang (Slashing LLM VRAM Usage Without Perplexity Degradation)
When serving modern large language models like Llama-3.3-70B, Qwen-2.5-72B, and...
Computing
Intel X520 vs. Mellanox ConnectX-4 Lx in 2026: The Budget 10G/25G SFP28 Guide for Proxmox & TrueNAS (DAC vs. Fiber, C-States & Latency)
For home lab engineers, Proxmox VE cluster builders, and TrueNAS...
Computing
M.2 SSD Thermal Pad Thickness Guide in 2026: 0.5mm vs. 1.0mm vs. 1.5mm, Thermal Putty & Contact Pressure Benchmarks
Selecting the incorrect thermal pad thickness for an M.2 NVMe...
AI
Running DeepSeek-R1 671B Locally in 2026: KTransformers CPU Offloading, 256GB DDR5 RAM Sizing & Single RTX 4090 VRAM Allocation
Until recently, running a flagship 671-billion parameter frontier reasoning model...
Hardware
Mellanox ConnectX-4 & ConnectX-5 100GbE SR-IOV in Proxmox VE: Virtual Functions, RoCEv2 Offloads & Line-Rate 100Gbps VM Networking in 2026
Standard Linux software bridging (vmbr0) has hit an impenetrable physical...
Guides
ZFS ARC Memory Sizing in Proxmox VE: zfs_arc_max Calculations, Dirty Data Flush Tuning & How to Stop Linux OOM Kills in 2026
If you run ZFS on Proxmox VE without explicit kernel...
Hardware
PCIe 5.0 NVMe SSD Cooling & Active Heatsink Guide in 2026: Thermal Throttling Curves at 14,000 MB/s, Tiny Fan Noise & Graphene Heatspreaders
PCIe 5.0 NVMe SSD Cooling & Active Heatsink...
PCIe 5.0 NVMe SSDs boasting...
Computing
NVMe-over-Fabrics (NVMe-oF) in Proxmox VE 8: SPDK vs. Kernel Target, RDMA (RoCEv2) Latency & 100GbE Clustered Flash Benchmarks (2026)
NVMe-over-Fabrics (NVMe-oF) in Proxmox VE 8: SPDK vs....
In enterprise homelabs and clustered...
AI
Prompt Caching in Local LLMs (vLLM, LMDeploy & Ollama) in 2026: Prefix Caching Architecture, Time-to-First-Token (TTFT) Benchmarks & VRAM Overhead
Prompt Caching in Local LLMs (vLLM, LMDeploy &...
In multi-turn local LLM inference...
AI
KV Cache Quantization in 2026: FP8 vs. INT4 in vLLM & SGLang (Slashing LLM VRAM Usage Without Perplexity Degradation)
KV Cache Quantization in 2026: FP8 vs. INT4...
When serving modern large language...
Computing
Intel X520 vs. Mellanox ConnectX-4 Lx in 2026: The Budget 10G/25G SFP28 Guide for Proxmox & TrueNAS (DAC vs. Fiber, C-States & Latency)
Intel X520 vs. Mellanox ConnectX-4 Lx in 2026:...
For home lab engineers, Proxmox...
Computing
M.2 SSD Thermal Pad Thickness Guide in 2026: 0.5mm vs. 1.0mm vs. 1.5mm, Thermal Putty & Contact Pressure Benchmarks
M.2 SSD Thermal Pad Thickness Guide in 2026:...
Selecting the incorrect thermal pad...
AI
Running DeepSeek-R1 671B Locally in 2026: KTransformers CPU Offloading, 256GB DDR5 RAM Sizing & Single RTX 4090 VRAM Allocation
Running DeepSeek-R1 671B Locally in 2026: KTransformers CPU...
Until recently, running a flagship...
Hardware
Mellanox ConnectX-4 & ConnectX-5 100GbE SR-IOV in Proxmox VE: Virtual Functions, RoCEv2 Offloads & Line-Rate 100Gbps VM Networking in 2026
Mellanox ConnectX-4 & ConnectX-5 100GbE SR-IOV in Proxmox...
Standard Linux software bridging (vmbr0)...
Guides
ZFS ARC Memory Sizing in Proxmox VE: zfs_arc_max Calculations, Dirty Data Flush Tuning & How to Stop Linux OOM Kills in 2026
ZFS ARC Memory Sizing in Proxmox VE: zfs_arc_max...
If you run ZFS on...