Benchmark #67798 - pibenchmarks.com

Brand: KingSpec NE Series
SSD (M.2 NVMe)
#91 / 1,665
169
#212 / 1,665
#211 / 977
#196 / 274
20,459
	Amazon.com AliExpress Amazon.ca Amazon.co.uk Amazon.co.jp Amazon.com.au Amazon.de Amazon.es Amazon.fr Amazon.it Amazon.nl Amazon.pl Amazon.se Amazon.sg

Overview
2023-03-02 15:54:21
#67,798
13,151
-7,308 (-55.57%)
Viota
RockPi4c 128 SSD

Storage Details
KingSpec NE Series
SSD (M.2 NVMe)
119.2G
SSD
KingSpec
NE-128
None

System Board Details
		Amazon.com AliExpress
Radxa ROCK Pi 4C
ROCK Pi 4C
Radxa
N/A
1,416
4 GB

Operating System

Debian GNU/Linux 11 (bullseye)
aarch64

Benchmark Results
129 MB/s
510.41 MB/s
441.32 MB/s
15,802 IOPS
46,757 IOPS
63,209 KB/s
187,031 KB/s
105,465 KB/s
54,758 KB/s
30,725 KB/s
55,492 KB/s

inxi Results
System: Kernel: 5.10.110-1-rockchip arch: aarch64 bits: 64 compiler: N/A parameters: root=UUID=59231b7b-6bb5-4fb4-8f1f-dfba780b7d27 loglevel=4 console=tty0 console=ttyAML0,115200n8 console=ttyS2,1500000n8 console=ttyFIQ0,1500000n8 coherent_pool=2M irqchip.gicv3_pseudo_nmi=0 quiet splash plymouth.ignore-serial-consoles Console: pty pts/0 wm: kwin_x11 DM: SDDM Distro: Debian GNU/Linux 11 (bullseye) Machine: Type: ARM System: Radxa ROCK Pi 4C details: N/A Battery: Message: No system battery data found. Is one present? Memory: RAM: total: 3.78 GiB used: 761.3 MiB (19.7%) RAM Report: smbios: No SMBIOS data for dmidecode to process PCI Slots: Message: No ARM data found for this feature. CPU: Info: model: N/A variant-1: cortex-a72 variant-2: cortex-a53 bits: 64 type: MCP AMP arch: ARMv8 family: 8 model-id: 0 stepping: 4 Topology: variant: cpus: 1x cores: 4 min/max: 408/1416 variant: cpus: 1x cores: 2 min/max: 408/1800 smt: cache: N/A Speed (MHz): avg: 408 min/max: 408/1416:1800 scaling: driver: cpufreq-dt governor: ondemand cores: 1: 408 2: 408 3: 408 4: 408 5: 408 6: 408 bogomips: N/A Features: aes asimd cpuid crc32 evtstrm fp pmull sha1 sha2 Vulnerabilities: Type: itlb_multihit status: Not affected Type: l1tf status: Not affected Type: mds status: Not affected Type: meltdown status: Not affected Type: spec_store_bypass status: Vulnerable Type: spectre_v1 mitigation: __user pointer sanitization Type: spectre_v2 status: Vulnerable Type: srbds status: Not affected Type: tsx_async_abort status: Not affected Graphics: Device-1: display-subsystem driver: rockchip_drm v: N/A bus-ID: N/A chip-ID: rockchip:display-subsystem class-ID: display-subsystem Device-2: rk3399-dw-hdmi driver: dwhdmi_rockchip v: N/A bus-ID: N/A chip-ID: rockchip:ff940000 class-ID: hdmi Device-3: malit860 driver: midgard v: N/A bus-ID: N/A chip-ID: arm:ff9a0000 class-ID: gpu Display: x11 server: X.Org v: 1.20.11 compositor: kwin_x11 driver: X: loaded: modesetting unloaded: fbdev dri: swrast gpu: cdn-dp,dw-dp,dw-mipi-dsi-rockchip,dw-mipi-dsi2,dwhdmi-rockchip,innohdmi-rockchip,rockchip-dp,rockchip-drm,rockchip-lvds,rockchip-rgb,rockchip-rk3066-hdmi,rockchip-vop,rockchip-vop2 display-ID: :0 screens: 1 Screen-1: 0 s-res: 1920x1080 s-dpi: 96 s-size: 508x285mm (20.00x11.22") s-diag: 582mm (22.93") Monitor-1: HDMI-A-1 mapped: HDMI-1 model: HP 22fw built: 2020 res: 1920x1080 hz: 60 dpi: 102 gamma: 1.2 chroma: red: x: 0.655 y: 0.337 green: x: 0.322 y: 0.612 blue: x: 0.153 y: 0.059 white: x: 0.314 y: 0.329 size: 476x268mm (18.74x10.55") diag: 583mm (23") ratio: 15:9, 16:10 modes: 1920x1080, 1680x1050, 1600x900, 1280x1024, 1440x900, 1280x800, 1280x720, 1024x768, 800x600, 720x576, 720x480, 640x480, 720x400 API: OpenGL Message: Unable to show GL data. Required tool glxinfo missing. Audio: Device-1: simple-audio-card driver: asoc_simple_card bus-ID: N/A chip-ID: simple-audio-card:es8316-sound class-ID: es8316-sound Device-2: rk3399-dw-hdmi driver: dwhdmi_rockchip bus-ID: N/A chip-ID: rockchip:ff940000 class-ID: hdmi Device-3: hdmi driver: rk_hdmi_sound bus-ID: N/A chip-ID: rockchip:hdmi-sound class-ID: hdmi-sound Sound API: ALSA v: k5.10.110-1-rockchip running: yes Sound Server-1: PulseAudio v: 14.2 running: yes Network: Device-1: rk3399-gmac driver: rk_gmac_dwmac v: N/A port: N/A bus-ID: N/A chip-ID: rockchip:fe300000 class-ID: ethernet IF: eth0 state: up speed: 1000 Mbps duplex: full mac: IP v4: type: dynamic noprefixroute scope: global broadcast: IP v6: type: noprefixroute scope: link IF-ID-1: wlan0 state: down mac: WAN IP: Bluetooth: Device-1: rk3399-uart driver: dw_apb_uart bus-ID: N/A chip-ID: rockchip:ff180000 class-ID: serial Report: hciconfig ID: hci0 rfk-id: 1 state: up address: bt-v: 3.0 lmp-v: 5.2 sub-v: 6606 hci-v: 5.2 rev: 43e Info: acl-mtu: 1021:8 sco-mtu: 64:1 link-policy: rswitch sniff link-mode: slave accept service-classes: rendering, capturing Logical: Message: No logical block device data found. RAID: Message: No RAID data found. Drives: Local Storage: total: 133.7 GiB used: 4.67 GiB (3.5%) ID-1: /dev/mmcblk1 maj-min: 179:0 model: D9D16G size: 14.45 GiB block-size: physical: 512 B logical: 512 B type: SSD rev: 0x8 scheme: GPT SMART Message: Unknown smartctl error. Unable to generate data. ID-2: /dev/nvme0n1 maj-min: 259:0 vendor: KingSpec model: NE-128 size: 119.24 GiB block-size: physical: 512 B logical: 512 B speed: 31.6 Gb/s lanes: 4 type: SSD rev: S1111A0L temp: 38 C scheme: GPT SMART: yes health: PASSED on: 60 hrs cycles: 44 read-units: 117,404 [60.1 GB] written-units: 188,030 [96.2 GB] Message: No optical or floppy data found. Partition: ID-1: / raw-size: 119.21 GiB size: 14.13 GiB (11.86%) used: 4.67 GiB (33.0%) fs: ext4 block-size: 4096 B dev: /dev/nvme0n1p2 maj-min: 259:2 label: rootfs uuid: 59231b7b-6bb5-4fb4-8f1f-dfba780b7d27 ID-2: /config raw-size: 16 MiB size: 15.7 MiB (98.34%) used: 1 KiB (0.0%) fs: vfat block-size: 512 B dev: /dev/nvme0n1p1 maj-min: 259:1 label: config uuid: 0241-9364 Swap: Kernel: swappiness: 100 (default 60) cache-pressure: 500 (default 100) ID-1: swap-1 type: zram size: 1024 MiB used: 0 KiB (0.0%) priority: 100 dev: /dev/zram0 Unmounted: ID-1: /dev/mmcblk1p1 maj-min: 179:1 size: 16 MiB fs: vfat label: config uuid: 0241-9364 ID-2: /dev/mmcblk1p2 maj-min: 179:2 size: 14.42 GiB fs: ext4 label: rootfs uuid: 59231b7b-6bb5-4fb4-8f1f-dfba780b7d27 USB: Hub-1: 1-0:1 info: Hi-speed hub with single TT ports: 1 rev: 2.0 speed: 480 Mb/s chip-ID: 1d6b:0002 class-ID: 0900 Hub-2: 2-0:1 info: Super-speed hub ports: 1 rev: 3.0 speed: 5 Gb/s chip-ID: 1d6b:0003 class-ID: 0900 Hub-3: 3-0:1 info: Full speed or root hub ports: 1 rev: 2.0 speed: 480 Mb/s chip-ID: 1d6b:0002 class-ID: 0900 Hub-4: 4-0:1 info: Full speed or root hub ports: 1 rev: 2.0 speed: 480 Mb/s chip-ID: 1d6b:0002 class-ID: 0900 Hub-5: 5-0:1 info: Full speed or root hub ports: 1 rev: 1.1 speed: 12 Mb/s chip-ID: 1d6b:0001 class-ID: 0900 Device-1: 5-1:2 info: Maxxter Telink Wireless Receiver type: Mouse,Keyboard driver: hid-generic,usbhid interfaces: 2 rev: 1.1 speed: 12 Mb/s power: 50mA chip-ID: 248a:8367 class-ID: 0301 Hub-6: 6-0:1 info: Full speed or root hub ports: 1 rev: 1.1 speed: 12 Mb/s chip-ID: 1d6b:0001 class-ID: 0900 Hub-7: 7-0:1 info: Hi-speed hub with single TT ports: 1 rev: 2.0 speed: 480 Mb/s chip-ID: 1d6b:0002 class-ID: 0900 Hub-8: 8-0:1 info: Super-speed hub ports: 1 rev: 3.0 speed: 5 Gb/s chip-ID: 1d6b:0003 class-ID: 0900 Sensors: Src: /sys System Temperatures: cpu: 71.7 C mobo: N/A Fan Speeds (RPM): N/A Repos: Packages: pm: dpkg pkgs: 1408 libs: 950 tools: apt,apt-get Active apt repos in: /etc/apt/sources.list 1: deb https: //deb.debian.org/debian bullseye main contrib non-free Active apt repos in: /etc/apt/sources.list.d/bullseye-backports.list 1: deb https: //deb.debian.org/debian bullseye-backports main contrib non-free Active apt repos in: /etc/apt/sources.list.d/bullseye-security.list 1: deb https: //deb.debian.org/debian-security bullseye-security main contrib non-free Active apt repos in: /etc/apt/sources.list.d/bullseye-updates.list 1: deb https: //deb.debian.org/debian bullseye-updates main contrib non-free Active apt repos in: /etc/apt/sources.list.d/radxa-rockchip.list 1: deb [signed-by=/usr/share/keyrings/radxa-archive-keyring.gpg] https: //radxa-repo.github.io/apt rockchip-bullseye main Active apt repos in: /etc/apt/sources.list.d/radxa.list 1: deb [signed-by=/usr/share/keyrings/radxa-archive-keyring.gpg] https: //radxa-repo.github.io/apt bullseye main Processes: CPU top: 5 of 200 1: cpu: 45.6% command: plasmashell pid: 1098 mem: 297.4 MiB (7.6%) 2: cpu: 19.4% command: xorg pid: 529 mem: 168.1 MiB (4.3%) 3: cpu: 14.2% command: kate pid: 1710 mem: 108.1 MiB (2.7%) 4: cpu: 10.4% command: packagekitd pid: 1132 mem: 30.4 MiB (0.7%) 5: cpu: 5.8% command: kwin_x11 pid: 1027 mem: 114.0 MiB (2.9%) Memory top: 5 of 200 1: mem: 297.4 MiB (7.6%) command: plasmashell pid: 1098 cpu: 45.6% 2: mem: 168.1 MiB (4.3%) command: xorg pid: 529 cpu: 19.4% 3: mem: 114.0 MiB (2.9%) command: kwin_x11 pid: 1027 cpu: 5.8% 4: mem: 108.1 MiB (2.7%) command: kate pid: 1710 cpu: 14.2% 5: mem: 88.8 MiB (2.2%) command: konsole pid: 1680 cpu: 4.2% Info: Processes: 200 Uptime: 2m Init: systemd v: 247 target: graphical (5) default: graphical tool: systemctl Compilers: gcc: N/A Client: shell wrapper v: 5.1.4-release inxi: 3.3.25

inxi Results

System:
  Kernel: 5.10.110-1-rockchip arch: aarch64 bits: 64 compiler: N/A
    parameters: root=UUID=59231b7b-6bb5-4fb4-8f1f-dfba780b7d27 loglevel=4 console=tty0
    console=ttyAML0,115200n8 console=ttyS2,1500000n8 console=ttyFIQ0,1500000n8 coherent_pool=2M
    irqchip.gicv3_pseudo_nmi=0 quiet splash plymouth.ignore-serial-consoles
  Console: pty pts/0 wm: kwin_x11 DM: SDDM Distro: Debian GNU/Linux 11 (bullseye)
Machine:
  Type: ARM System: Radxa ROCK Pi 4C details: N/A Battery:
  Message: No system battery data found. Is one present?
Memory:
  RAM: total: 3.78 GiB used: 761.3 MiB (19.7%)
  RAM Report: smbios: No SMBIOS data for dmidecode to process
PCI Slots:
  Message: No ARM data found for this feature.
CPU:
  Info: model: N/A variant-1: cortex-a72 variant-2: cortex-a53 bits: 64 type: MCP AMP arch: ARMv8
    family: 8 model-id: 0 stepping: 4
  Topology: variant: cpus: 1x cores: 4 min/max: 408/1416 variant: cpus: 1x cores: 2
    min/max: 408/1800 smt:  cache: N/A
  Speed (MHz): avg: 408 min/max: 408/1416:1800 scaling: driver: cpufreq-dt governor: ondemand
    cores: 1: 408 2: 408 3: 408 4: 408 5: 408 6: 408 bogomips: N/A
  Features: aes asimd cpuid crc32 evtstrm fp pmull sha1 sha2
  Vulnerabilities:
  Type: itlb_multihit status: Not affected
  Type: l1tf status: Not affected
  Type: mds status: Not affected
  Type: meltdown status: Not affected
  Type: spec_store_bypass status: Vulnerable
  Type: spectre_v1 mitigation: __user pointer sanitization
  Type: spectre_v2 status: Vulnerable
  Type: srbds status: Not affected
  Type: tsx_async_abort status: Not affected
Graphics:
  Device-1: display-subsystem driver: rockchip_drm v: N/A bus-ID: N/A
    chip-ID: rockchip:display-subsystem class-ID: display-subsystem
  Device-2: rk3399-dw-hdmi driver: dwhdmi_rockchip v: N/A bus-ID: N/A chip-ID: rockchip:ff940000
    class-ID: hdmi
  Device-3: malit860 driver: midgard v: N/A bus-ID: N/A chip-ID: arm:ff9a0000 class-ID: gpu
  Display: x11 server: X.Org v: 1.20.11 compositor: kwin_x11 driver: X: loaded: modesetting
    unloaded: fbdev dri: swrast
    gpu: cdn-dp,dw-dp,dw-mipi-dsi-rockchip,dw-mipi-dsi2,dwhdmi-rockchip,innohdmi-rockchip,rockchip-dp,rockchip-drm,rockchip-lvds,rockchip-rgb,rockchip-rk3066-hdmi,rockchip-vop,rockchip-vop2
    display-ID: :0 screens: 1
  Screen-1: 0 s-res: 1920x1080 s-dpi: 96 s-size: 508x285mm (20.00x11.22") s-diag: 582mm (22.93")
  Monitor-1: HDMI-A-1 mapped: HDMI-1 model: HP 22fw built: 2020 res: 1920x1080
    hz: 60 dpi: 102 gamma: 1.2 chroma: red: x: 0.655 y: 0.337 green: x: 0.322 y: 0.612 blue: x: 0.153
    y: 0.059 white: x: 0.314 y: 0.329 size: 476x268mm (18.74x10.55") diag: 583mm (23")
    ratio: 15:9, 16:10 modes: 1920x1080, 1680x1050, 1600x900, 1280x1024, 1440x900, 1280x800,
    1280x720, 1024x768, 800x600, 720x576, 720x480, 640x480, 720x400
  API: OpenGL Message: Unable to show GL data. Required tool glxinfo missing.
Audio:
  Device-1: simple-audio-card driver: asoc_simple_card bus-ID: N/A
    chip-ID: simple-audio-card:es8316-sound class-ID: es8316-sound
  Device-2: rk3399-dw-hdmi driver: dwhdmi_rockchip bus-ID: N/A chip-ID: rockchip:ff940000
    class-ID: hdmi
  Device-3: hdmi driver: rk_hdmi_sound bus-ID: N/A chip-ID: rockchip:hdmi-sound
    class-ID: hdmi-sound
  Sound API: ALSA v: k5.10.110-1-rockchip running: yes
  Sound Server-1: PulseAudio v: 14.2 running: yes
Network:
  Device-1: rk3399-gmac driver: rk_gmac_dwmac v: N/A port: N/A bus-ID: N/A
    chip-ID: rockchip:fe300000 class-ID: ethernet
  IF: eth0 state: up speed: 1000 Mbps duplex: full mac: 
  IP v4:  type: dynamic noprefixroute scope: global broadcast: 
  IP v6:  type: noprefixroute scope: link
  IF-ID-1: wlan0 state: down mac: 
  WAN IP: 
Bluetooth:
  Device-1: rk3399-uart driver: dw_apb_uart bus-ID: N/A chip-ID: rockchip:ff180000 class-ID: serial
  Report: hciconfig ID: hci0 rfk-id: 1 state: up address:  bt-v: 3.0 lmp-v: 5.2
    sub-v: 6606 hci-v: 5.2 rev: 43e
  Info: acl-mtu: 1021:8 sco-mtu: 64:1 link-policy: rswitch sniff link-mode: slave accept
    service-classes: rendering, capturing
Logical:
  Message: No logical block device data found.
RAID:
  Message: No RAID data found.
Drives:
  Local Storage: total: 133.7 GiB used: 4.67 GiB (3.5%)
  ID-1: /dev/mmcblk1 maj-min: 179:0 model: D9D16G size: 14.45 GiB block-size: physical: 512 B
    logical: 512 B type: SSD rev: 0x8 scheme: GPT
  SMART Message: Unknown smartctl error. Unable to generate data.
  ID-2: /dev/nvme0n1 maj-min: 259:0 vendor: KingSpec model: NE-128 size: 119.24 GiB block-size:
    physical: 512 B logical: 512 B speed: 31.6 Gb/s lanes: 4 type: SSD rev: S1111A0L
    temp: 38 C scheme: GPT
  SMART: yes health: PASSED on: 60 hrs cycles: 44 read-units: 117,404 [60.1 GB]
    written-units: 188,030 [96.2 GB]
  Message: No optical or floppy data found.
Partition:
  ID-1: / raw-size: 119.21 GiB size: 14.13 GiB (11.86%) used: 4.67 GiB (33.0%) fs: ext4
    block-size: 4096 B dev: /dev/nvme0n1p2 maj-min: 259:2 label: rootfs
    uuid: 59231b7b-6bb5-4fb4-8f1f-dfba780b7d27
  ID-2: /config raw-size: 16 MiB size: 15.7 MiB (98.34%) used: 1 KiB (0.0%) fs: vfat
    block-size: 512 B dev: /dev/nvme0n1p1 maj-min: 259:1 label: config uuid: 0241-9364
Swap:
  Kernel: swappiness: 100 (default 60) cache-pressure: 500 (default 100)
  ID-1: swap-1 type: zram size: 1024 MiB used: 0 KiB (0.0%) priority: 100 dev: /dev/zram0
Unmounted:
  ID-1: /dev/mmcblk1p1 maj-min: 179:1 size: 16 MiB fs: vfat label: config uuid: 0241-9364
  ID-2: /dev/mmcblk1p2 maj-min: 179:2 size: 14.42 GiB fs: ext4 label: rootfs
    uuid: 59231b7b-6bb5-4fb4-8f1f-dfba780b7d27
USB:
  Hub-1: 1-0:1 info: Hi-speed hub with single TT ports: 1 rev: 2.0 speed: 480 Mb/s
    chip-ID: 1d6b:0002 class-ID: 0900
  Hub-2: 2-0:1 info: Super-speed hub ports: 1 rev: 3.0 speed: 5 Gb/s chip-ID: 1d6b:0003
    class-ID: 0900
  Hub-3: 3-0:1 info: Full speed or root hub ports: 1 rev: 2.0 speed: 480 Mb/s chip-ID: 1d6b:0002
    class-ID: 0900
  Hub-4: 4-0:1 info: Full speed or root hub ports: 1 rev: 2.0 speed: 480 Mb/s chip-ID: 1d6b:0002
    class-ID: 0900
  Hub-5: 5-0:1 info: Full speed or root hub ports: 1 rev: 1.1 speed: 12 Mb/s chip-ID: 1d6b:0001
    class-ID: 0900
  Device-1: 5-1:2 info: Maxxter Telink Wireless Receiver type: Mouse,Keyboard
    driver: hid-generic,usbhid interfaces: 2 rev: 1.1 speed: 12 Mb/s power: 50mA chip-ID: 248a:8367
    class-ID: 0301
  Hub-6: 6-0:1 info: Full speed or root hub ports: 1 rev: 1.1 speed: 12 Mb/s chip-ID: 1d6b:0001
    class-ID: 0900
  Hub-7: 7-0:1 info: Hi-speed hub with single TT ports: 1 rev: 2.0 speed: 480 Mb/s
    chip-ID: 1d6b:0002 class-ID: 0900
  Hub-8: 8-0:1 info: Super-speed hub ports: 1 rev: 3.0 speed: 5 Gb/s chip-ID: 1d6b:0003
    class-ID: 0900
Sensors:
  Src: /sys System Temperatures: cpu: 71.7 C mobo: N/A
  Fan Speeds (RPM): N/A
Repos:
  Packages: pm: dpkg pkgs: 1408 libs: 950 tools: apt,apt-get
  Active apt repos in: /etc/apt/sources.list
    1: deb https: //deb.debian.org/debian bullseye main contrib non-free
  Active apt repos in: /etc/apt/sources.list.d/bullseye-backports.list
    1: deb https: //deb.debian.org/debian bullseye-backports main contrib non-free
  Active apt repos in: /etc/apt/sources.list.d/bullseye-security.list
    1: deb https: //deb.debian.org/debian-security bullseye-security main contrib non-free
  Active apt repos in: /etc/apt/sources.list.d/bullseye-updates.list
    1: deb https: //deb.debian.org/debian bullseye-updates main contrib non-free
  Active apt repos in: /etc/apt/sources.list.d/radxa-rockchip.list
    1: deb [signed-by=/usr/share/keyrings/radxa-archive-keyring.gpg] https: //radxa-repo.github.io/apt rockchip-bullseye main
  Active apt repos in: /etc/apt/sources.list.d/radxa.list
    1: deb [signed-by=/usr/share/keyrings/radxa-archive-keyring.gpg] https: //radxa-repo.github.io/apt bullseye main
Processes:
  CPU top: 5 of 200
  1: cpu: 45.6% command: plasmashell pid: 1098 mem: 297.4 MiB (7.6%)
  2: cpu: 19.4% command: xorg pid: 529 mem: 168.1 MiB (4.3%)
  3: cpu: 14.2% command: kate pid: 1710 mem: 108.1 MiB (2.7%)
  4: cpu: 10.4% command: packagekitd pid: 1132 mem: 30.4 MiB (0.7%)
  5: cpu: 5.8% command: kwin_x11 pid: 1027 mem: 114.0 MiB (2.9%)
  Memory top: 5 of 200
  1: mem: 297.4 MiB (7.6%) command: plasmashell pid: 1098 cpu: 45.6%
  2: mem: 168.1 MiB (4.3%) command: xorg pid: 529 cpu: 19.4%
  3: mem: 114.0 MiB (2.9%) command: kwin_x11 pid: 1027 cpu: 5.8%
  4: mem: 108.1 MiB (2.7%) command: kate pid: 1710 cpu: 14.2%
  5: mem: 88.8 MiB (2.2%) command: konsole pid: 1680 cpu: 4.2%
Info:
  Processes: 200 Uptime: 2m Init: systemd v: 247 target: graphical (5) default: graphical
  tool: systemctl Compilers: gcc: N/A Client: shell wrapper v: 5.1.4-release inxi: 3.3.25

Benchmark #67798 - Brand: KingSpec NE Series